25566800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 73435776

約数和(自身を除く): 47868976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 397, 400, 460, 560, 575, 644, 700, 794, 805, 920, 1150, 1288, 1400, 1588, 1610, 1840, 1985, 2300, 2576, 2779, 2800, 3176, 3220, 3970, 4025, 4600, 5558, 6352, 6440, 7940, 8050, 9131, 9200, 9925, 11116, 12880, 13895, 15880, 16100, 18262, 19850, 22232, 27790, 31760, 32200, 36524, 39700, 44464, 45655, 55580, 63917, 64400, 69475, 73048, 79400, 91310, 111160, 127834, 138950, 146096, 158800, 182620, 222320, 228275, 255668, 277900, 319585, 365240, 456550, 511336, 555800, 639170, 730480, 913100, 1022672, 1111600, 1278340, 1597925, 1826200, 2556680, 3195850, 3652400, 5113360, 6391700, 12783400, 25566800]

約数ペア:

[(1, 25566800), (2, 12783400), (4, 6391700), (5, 5113360), (7, 3652400), (8, 3195850), (10, 2556680), (14, 1826200), (16, 1597925), (20, 1278340), (23, 1111600), (25, 1022672), (28, 913100), (35, 730480), (40, 639170), (46, 555800), (50, 511336), (56, 456550), (70, 365240), (80, 319585), (92, 277900), (100, 255668), (112, 228275), (115, 222320), (140, 182620), (161, 158800), (175, 146096), (184, 138950), (200, 127834), (230, 111160), (280, 91310), (322, 79400), (350, 73048), (368, 69475), (397, 64400), (400, 63917), (460, 55580), (560, 45655), (575, 44464), (644, 39700), (700, 36524), (794, 32200), (805, 31760), (920, 27790), (1150, 22232), (1288, 19850), (1400, 18262), (1588, 16100), (1610, 15880), (1840, 13895), (1985, 12880), (2300, 11116), (2576, 9925), (2779, 9200), (2800, 9131), (3176, 8050), (3220, 7940), (3970, 6440), (4025, 6352), (4600, 5558)]