939760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 2316816

約数和(自身を除く): 1377056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 691, 1360, 1382, 2764, 3455, 5528, 6910, 11056, 11747, 13820, 23494, 27640, 46988, 55280, 58735, 93976, 117470, 187952, 234940, 469880, 939760]

約数ペア:

[(1, 939760), (2, 469880), (4, 234940), (5, 187952), (8, 117470), (10, 93976), (16, 58735), (17, 55280), (20, 46988), (34, 27640), (40, 23494), (68, 13820), (80, 11747), (85, 11056), (136, 6910), (170, 5528), (272, 3455), (340, 2764), (680, 1382), (691, 1360)]