28276225840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1\times {\mathrm{7411}}^1$

素因数の和:8750

約数の個数: 80

約数和(自身を含む): 67580540640

約数和(自身を除く): 39304314800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1289, 1480, 2578, 2960, 5156, 6445, 7411, 10312, 12890, 14822, 20624, 25780, 29644, 37055, 47693, 51560, 59288, 74110, 95386, 103120, 118576, 148220, 190772, 238465, 274207, 296440, 381544, 476930, 548414, 592880, 763088, 953860, 1096828, 1371035, 1907720, 2193656, 2742070, 3815440, 4387312, 5484140, 9552779, 10968280, 19105558, 21936560, 38211116, 47763895, 76422232, 95527790, 152844464, 191055580, 353452823, 382111160, 706905646, 764222320, 1413811292, 1767264115, 2827622584, 3534528230, 5655245168, 7069056460, 14138112920, 28276225840]

約数ペア:

[(1, 28276225840), (2, 14138112920), (4, 7069056460), (5, 5655245168), (8, 3534528230), (10, 2827622584), (16, 1767264115), (20, 1413811292), (37, 764222320), (40, 706905646), (74, 382111160), (80, 353452823), (148, 191055580), (185, 152844464), (296, 95527790), (370, 76422232), (592, 47763895), (740, 38211116), (1289, 21936560), (1480, 19105558), (2578, 10968280), (2960, 9552779), (5156, 5484140), (6445, 4387312), (7411, 3815440), (10312, 2742070), (12890, 2193656), (14822, 1907720), (20624, 1371035), (25780, 1096828), (29644, 953860), (37055, 763088), (47693, 592880), (51560, 548414), (59288, 476930), (74110, 381544), (95386, 296440), (103120, 274207), (118576, 238465), (148220, 190772)]