89758640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 228199680

約数和(自身を除く): 138441040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2129, 2480, 2635, 4216, 4258, 5270, 8432, 8516, 10540, 10645, 17032, 21080, 21290, 34064, 36193, 42160, 42580, 65999, 72386, 85160, 131998, 144772, 170320, 180965, 263996, 289544, 329995, 361930, 527992, 579088, 659990, 723860, 1055984, 1121983, 1319980, 1447720, 2243966, 2639960, 2895440, 4487932, 5279920, 5609915, 8975864, 11219830, 17951728, 22439660, 44879320, 89758640]

約数ペア:

[(1, 89758640), (2, 44879320), (4, 22439660), (5, 17951728), (8, 11219830), (10, 8975864), (16, 5609915), (17, 5279920), (20, 4487932), (31, 2895440), (34, 2639960), (40, 2243966), (62, 1447720), (68, 1319980), (80, 1121983), (85, 1055984), (124, 723860), (136, 659990), (155, 579088), (170, 527992), (248, 361930), (272, 329995), (310, 289544), (340, 263996), (496, 180965), (527, 170320), (620, 144772), (680, 131998), (1054, 85160), (1240, 72386), (1360, 65999), (2108, 42580), (2129, 42160), (2480, 36193), (2635, 34064), (4216, 21290), (4258, 21080), (5270, 17032), (8432, 10645), (8516, 10540)]