12957740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 30082752

約数和(自身を除く): 17125012

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1657, 1955, 3314, 3910, 6628, 7820, 8285, 16570, 28169, 33140, 38111, 56338, 76222, 112676, 140845, 152444, 190555, 281690, 381110, 563380, 647887, 762220, 1295774, 2591548, 3239435, 6478870, 12957740]

約数ペア:

[(1, 12957740), (2, 6478870), (4, 3239435), (5, 2591548), (10, 1295774), (17, 762220), (20, 647887), (23, 563380), (34, 381110), (46, 281690), (68, 190555), (85, 152444), (92, 140845), (115, 112676), (170, 76222), (230, 56338), (340, 38111), (391, 33140), (460, 28169), (782, 16570), (1564, 8285), (1657, 7820), (1955, 6628), (3314, 3910)]