39885020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40699}}^1$

素因数の和:40722

約数の個数: 36

約数和(自身を含む): 97435800

約数和(自身を除く): 57550780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40699, 81398, 162796, 203495, 284893, 406990, 569786, 813980, 1139572, 1424465, 1994251, 2848930, 3988502, 5697860, 7977004, 9971255, 19942510, 39885020]

約数ペア:

[(1, 39885020), (2, 19942510), (4, 9971255), (5, 7977004), (7, 5697860), (10, 3988502), (14, 2848930), (20, 1994251), (28, 1424465), (35, 1139572), (49, 813980), (70, 569786), (98, 406990), (140, 284893), (196, 203495), (245, 162796), (490, 81398), (980, 40699)]