1879520

素因数分解:

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

素因数の和:723

約数の個数: 48

約数和(自身を含む): 4708368

約数和(自身を除く): 2828848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 691, 1360, 1382, 2720, 2764, 3455, 5528, 6910, 11056, 11747, 13820, 22112, 23494, 27640, 46988, 55280, 58735, 93976, 110560, 117470, 187952, 234940, 375904, 469880, 939760, 1879520]

約数ペア:

[(1, 1879520), (2, 939760), (4, 469880), (5, 375904), (8, 234940), (10, 187952), (16, 117470), (17, 110560), (20, 93976), (32, 58735), (34, 55280), (40, 46988), (68, 27640), (80, 23494), (85, 22112), (136, 13820), (160, 11747), (170, 11056), (272, 6910), (340, 5528), (544, 3455), (680, 2764), (691, 2720), (1360, 1382)]