81848440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1984

約数の個数: 64

約数和(自身を含む): 195760800

約数和(自身を除く): 113912360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 1907, 2146, 3814, 4292, 5365, 7628, 8584, 9535, 10730, 15256, 19070, 21460, 38140, 42920, 55303, 70559, 76280, 110606, 141118, 221212, 276515, 282236, 352795, 442424, 553030, 564472, 705590, 1106060, 1411180, 2046211, 2212120, 2822360, 4092422, 8184844, 10231055, 16369688, 20462110, 40924220, 81848440]

約数ペア:

[(1, 81848440), (2, 40924220), (4, 20462110), (5, 16369688), (8, 10231055), (10, 8184844), (20, 4092422), (29, 2822360), (37, 2212120), (40, 2046211), (58, 1411180), (74, 1106060), (116, 705590), (145, 564472), (148, 553030), (185, 442424), (232, 352795), (290, 282236), (296, 276515), (370, 221212), (580, 141118), (740, 110606), (1073, 76280), (1160, 70559), (1480, 55303), (1907, 42920), (2146, 38140), (3814, 21460), (4292, 19070), (5365, 15256), (7628, 10730), (8584, 9535)]