49813280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 135136512

約数和(自身を除く): 85323232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 83, 88, 110, 121, 124, 155, 160, 166, 176, 220, 242, 248, 310, 332, 341, 352, 415, 440, 484, 496, 605, 620, 664, 682, 830, 880, 913, 968, 992, 1210, 1240, 1328, 1364, 1660, 1705, 1760, 1826, 1936, 2420, 2480, 2573, 2656, 2728, 3320, 3410, 3652, 3751, 3872, 4565, 4840, 4960, 5146, 5456, 6640, 6820, 7304, 7502, 9130, 9680, 10043, 10292, 10912, 12865, 13280, 13640, 14608, 15004, 18260, 18755, 19360, 20086, 20584, 25730, 27280, 28303, 29216, 30008, 36520, 37510, 40172, 41168, 50215, 51460, 54560, 56606, 60016, 73040, 75020, 80344, 82336, 100430, 102920, 113212, 120032, 141515, 146080, 150040, 160688, 200860, 205840, 226424, 283030, 300080, 311333, 321376, 401720, 411680, 452848, 566060, 600160, 622666, 803440, 905696, 1132120, 1245332, 1556665, 1606880, 2264240, 2490664, 3113330, 4528480, 4981328, 6226660, 9962656, 12453320, 24906640, 49813280]

約数ペア:

[(1, 49813280), (2, 24906640), (4, 12453320), (5, 9962656), (8, 6226660), (10, 4981328), (11, 4528480), (16, 3113330), (20, 2490664), (22, 2264240), (31, 1606880), (32, 1556665), (40, 1245332), (44, 1132120), (55, 905696), (62, 803440), (80, 622666), (83, 600160), (88, 566060), (110, 452848), (121, 411680), (124, 401720), (155, 321376), (160, 311333), (166, 300080), (176, 283030), (220, 226424), (242, 205840), (248, 200860), (310, 160688), (332, 150040), (341, 146080), (352, 141515), (415, 120032), (440, 113212), (484, 102920), (496, 100430), (605, 82336), (620, 80344), (664, 75020), (682, 73040), (830, 60016), (880, 56606), (913, 54560), (968, 51460), (992, 50215), (1210, 41168), (1240, 40172), (1328, 37510), (1364, 36520), (1660, 30008), (1705, 29216), (1760, 28303), (1826, 27280), (1936, 25730), (2420, 20584), (2480, 20086), (2573, 19360), (2656, 18755), (2728, 18260), (3320, 15004), (3410, 14608), (3652, 13640), (3751, 13280), (3872, 12865), (4565, 10912), (4840, 10292), (4960, 10043), (5146, 9680), (5456, 9130), (6640, 7502), (6820, 7304)]