40899880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 109036800

約数和(自身を除く): 68136920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 79, 86, 140, 158, 172, 215, 280, 301, 316, 344, 395, 430, 553, 602, 632, 790, 860, 1106, 1204, 1505, 1580, 1720, 1849, 2212, 2408, 2765, 3010, 3160, 3397, 3698, 4424, 5530, 6020, 6794, 7396, 9245, 11060, 12040, 12943, 13588, 14792, 16985, 18490, 22120, 23779, 25886, 27176, 33970, 36980, 47558, 51772, 64715, 67940, 73960, 95116, 103544, 118895, 129430, 135880, 146071, 190232, 237790, 258860, 292142, 475580, 517720, 584284, 730355, 951160, 1022497, 1168568, 1460710, 2044994, 2921420, 4089988, 5112485, 5842840, 8179976, 10224970, 20449940, 40899880]

約数ペア:

[(1, 40899880), (2, 20449940), (4, 10224970), (5, 8179976), (7, 5842840), (8, 5112485), (10, 4089988), (14, 2921420), (20, 2044994), (28, 1460710), (35, 1168568), (40, 1022497), (43, 951160), (56, 730355), (70, 584284), (79, 517720), (86, 475580), (140, 292142), (158, 258860), (172, 237790), (215, 190232), (280, 146071), (301, 135880), (316, 129430), (344, 118895), (395, 103544), (430, 95116), (553, 73960), (602, 67940), (632, 64715), (790, 51772), (860, 47558), (1106, 36980), (1204, 33970), (1505, 27176), (1580, 25886), (1720, 23779), (1849, 22120), (2212, 18490), (2408, 16985), (2765, 14792), (3010, 13588), (3160, 12943), (3397, 12040), (3698, 11060), (4424, 9245), (5530, 7396), (6020, 6794)]