2815280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2733

約数の個数: 40

約数和(自身を含む): 7051632

約数和(自身を除く): 4236352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2707, 5414, 10828, 13535, 21656, 27070, 35191, 43312, 54140, 70382, 108280, 140764, 175955, 216560, 281528, 351910, 563056, 703820, 1407640, 2815280]

約数ペア:

[(1, 2815280), (2, 1407640), (4, 703820), (5, 563056), (8, 351910), (10, 281528), (13, 216560), (16, 175955), (20, 140764), (26, 108280), (40, 70382), (52, 54140), (65, 43312), (80, 35191), (104, 27070), (130, 21656), (208, 13535), (260, 10828), (520, 5414), (1040, 2707)]