3917199680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{394879}}^1$

素因数の和:394927

約数の個数: 56

約数和(自身を含む): 9628753920

約数和(自身を除く): 5711554240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 394879, 789758, 1579516, 1974395, 3159032, 3948790, 6318064, 7897580, 12241249, 12636128, 15795160, 24482498, 25272256, 31590320, 48964996, 61206245, 63180640, 97929992, 122412490, 126361280, 195859984, 244824980, 391719968, 489649960, 783439936, 979299920, 1958599840, 3917199680]

約数ペア:

[(1, 3917199680), (2, 1958599840), (4, 979299920), (5, 783439936), (8, 489649960), (10, 391719968), (16, 244824980), (20, 195859984), (31, 126361280), (32, 122412490), (40, 97929992), (62, 63180640), (64, 61206245), (80, 48964996), (124, 31590320), (155, 25272256), (160, 24482498), (248, 15795160), (310, 12636128), (320, 12241249), (496, 7897580), (620, 6318064), (992, 3948790), (1240, 3159032), (1984, 1974395), (2480, 1579516), (4960, 789758), (9920, 394879)]