41813980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 96843600

約数和(自身を除く): 55029620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 139, 169, 178, 260, 278, 338, 356, 445, 556, 676, 695, 845, 890, 1157, 1390, 1690, 1780, 1807, 2314, 2780, 3380, 3614, 4628, 5785, 7228, 9035, 11570, 12371, 15041, 18070, 23140, 23491, 24742, 30082, 36140, 46982, 49484, 60164, 61855, 75205, 93964, 117455, 123710, 150410, 160823, 234910, 247420, 300820, 321646, 469820, 643292, 804115, 1608230, 2090699, 3216460, 4181398, 8362796, 10453495, 20906990, 41813980]

約数ペア:

[(1, 41813980), (2, 20906990), (4, 10453495), (5, 8362796), (10, 4181398), (13, 3216460), (20, 2090699), (26, 1608230), (52, 804115), (65, 643292), (89, 469820), (130, 321646), (139, 300820), (169, 247420), (178, 234910), (260, 160823), (278, 150410), (338, 123710), (356, 117455), (445, 93964), (556, 75205), (676, 61855), (695, 60164), (845, 49484), (890, 46982), (1157, 36140), (1390, 30082), (1690, 24742), (1780, 23491), (1807, 23140), (2314, 18070), (2780, 15041), (3380, 12371), (3614, 11570), (4628, 9035), (5785, 7228)]