72776240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5581}}^1$

素因数の和:5757

約数の個数: 40

約数和(自身を含む): 170273328

約数和(自身を除く): 97497088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5581, 6520, 11162, 13040, 22324, 27905, 44648, 55810, 89296, 111620, 223240, 446480, 909703, 1819406, 3638812, 4548515, 7277624, 9097030, 14555248, 18194060, 36388120, 72776240]

約数ペア:

[(1, 72776240), (2, 36388120), (4, 18194060), (5, 14555248), (8, 9097030), (10, 7277624), (16, 4548515), (20, 3638812), (40, 1819406), (80, 909703), (163, 446480), (326, 223240), (652, 111620), (815, 89296), (1304, 55810), (1630, 44648), (2608, 27905), (3260, 22324), (5581, 13040), (6520, 11162)]