1630440040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1314871}}^1$

素因数の和:1314913

約数の個数: 32

約数和(自身を含む): 3786831360

約数和(自身を除く): 2156391320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1314871, 2629742, 5259484, 6574355, 10518968, 13148710, 26297420, 40761001, 52594840, 81522002, 163044004, 203805005, 326088008, 407610010, 815220020, 1630440040]

約数ペア:

[(1, 1630440040), (2, 815220020), (4, 407610010), (5, 326088008), (8, 203805005), (10, 163044004), (20, 81522002), (31, 52594840), (40, 40761001), (62, 26297420), (124, 13148710), (155, 10518968), (248, 6574355), (310, 5259484), (620, 2629742), (1240, 1314871)]