40498400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 107993088

約数和(自身を除く): 67494688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 71, 80, 92, 100, 115, 124, 142, 155, 160, 184, 200, 230, 248, 284, 310, 355, 368, 400, 460, 496, 568, 575, 620, 710, 713, 736, 775, 800, 920, 992, 1136, 1150, 1240, 1420, 1426, 1550, 1633, 1775, 1840, 2201, 2272, 2300, 2480, 2840, 2852, 3100, 3266, 3550, 3565, 3680, 4402, 4600, 4960, 5680, 5704, 6200, 6532, 7100, 7130, 8165, 8804, 9200, 11005, 11360, 11408, 12400, 13064, 14200, 14260, 16330, 17608, 17825, 18400, 22010, 22816, 24800, 26128, 28400, 28520, 32660, 35216, 35650, 40825, 44020, 50623, 52256, 55025, 56800, 57040, 65320, 70432, 71300, 81650, 88040, 101246, 110050, 114080, 130640, 142600, 163300, 176080, 202492, 220100, 253115, 261280, 285200, 326600, 352160, 404984, 440200, 506230, 570400, 653200, 809968, 880400, 1012460, 1265575, 1306400, 1619936, 1760800, 2024920, 2531150, 4049840, 5062300, 8099680, 10124600, 20249200, 40498400]

約数ペア:

[(1, 40498400), (2, 20249200), (4, 10124600), (5, 8099680), (8, 5062300), (10, 4049840), (16, 2531150), (20, 2024920), (23, 1760800), (25, 1619936), (31, 1306400), (32, 1265575), (40, 1012460), (46, 880400), (50, 809968), (62, 653200), (71, 570400), (80, 506230), (92, 440200), (100, 404984), (115, 352160), (124, 326600), (142, 285200), (155, 261280), (160, 253115), (184, 220100), (200, 202492), (230, 176080), (248, 163300), (284, 142600), (310, 130640), (355, 114080), (368, 110050), (400, 101246), (460, 88040), (496, 81650), (568, 71300), (575, 70432), (620, 65320), (710, 57040), (713, 56800), (736, 55025), (775, 52256), (800, 50623), (920, 44020), (992, 40825), (1136, 35650), (1150, 35216), (1240, 32660), (1420, 28520), (1426, 28400), (1550, 26128), (1633, 24800), (1775, 22816), (1840, 22010), (2201, 18400), (2272, 17825), (2300, 17608), (2480, 16330), (2840, 14260), (2852, 14200), (3100, 13064), (3266, 12400), (3550, 11408), (3565, 11360), (3680, 11005), (4402, 9200), (4600, 8804), (4960, 8165), (5680, 7130), (5704, 7100), (6200, 6532)]