39910020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 118272000

約数和(自身を除く): 78361980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 499, 516, 620, 645, 860, 930, 998, 1290, 1333, 1497, 1860, 1996, 2495, 2580, 2666, 2994, 3999, 4990, 5332, 5988, 6665, 7485, 7998, 9980, 13330, 14970, 15469, 15996, 19995, 21457, 26660, 29940, 30938, 39990, 42914, 46407, 61876, 64371, 77345, 79980, 85828, 92814, 107285, 128742, 154690, 185628, 214570, 232035, 257484, 309380, 321855, 429140, 464070, 643710, 665167, 928140, 1287420, 1330334, 1995501, 2660668, 3325835, 3991002, 6651670, 7982004, 9977505, 13303340, 19955010, 39910020]

約数ペア:

[(1, 39910020), (2, 19955010), (3, 13303340), (4, 9977505), (5, 7982004), (6, 6651670), (10, 3991002), (12, 3325835), (15, 2660668), (20, 1995501), (30, 1330334), (31, 1287420), (43, 928140), (60, 665167), (62, 643710), (86, 464070), (93, 429140), (124, 321855), (129, 309380), (155, 257484), (172, 232035), (186, 214570), (215, 185628), (258, 154690), (310, 128742), (372, 107285), (430, 92814), (465, 85828), (499, 79980), (516, 77345), (620, 64371), (645, 61876), (860, 46407), (930, 42914), (998, 39990), (1290, 30938), (1333, 29940), (1497, 26660), (1860, 21457), (1996, 19995), (2495, 15996), (2580, 15469), (2666, 14970), (2994, 13330), (3999, 9980), (4990, 7998), (5332, 7485), (5988, 6665)]