39701080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 93415680

約数和(自身を除く): 53714600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 317, 404, 505, 620, 634, 808, 1010, 1240, 1268, 1585, 2020, 2536, 3131, 3170, 4040, 6262, 6340, 9827, 12524, 12680, 15655, 19654, 25048, 31310, 32017, 39308, 49135, 62620, 64034, 78616, 98270, 125240, 128068, 160085, 196540, 256136, 320170, 393080, 640340, 992527, 1280680, 1985054, 3970108, 4962635, 7940216, 9925270, 19850540, 39701080]

約数ペア:

[(1, 39701080), (2, 19850540), (4, 9925270), (5, 7940216), (8, 4962635), (10, 3970108), (20, 1985054), (31, 1280680), (40, 992527), (62, 640340), (101, 393080), (124, 320170), (155, 256136), (202, 196540), (248, 160085), (310, 128068), (317, 125240), (404, 98270), (505, 78616), (620, 64034), (634, 62620), (808, 49135), (1010, 39308), (1240, 32017), (1268, 31310), (1585, 25048), (2020, 19654), (2536, 15655), (3131, 12680), (3170, 12524), (4040, 9827), (6262, 6340)]