40469740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 87943968

約数和(自身を除く): 47474228

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 523, 530, 730, 1046, 1060, 1460, 2092, 2615, 3869, 5230, 7738, 10460, 15476, 19345, 27719, 38179, 38690, 55438, 76358, 77380, 110876, 138595, 152716, 190895, 277190, 381790, 554380, 763580, 2023487, 4046974, 8093948, 10117435, 20234870, 40469740]

約数ペア:

[(1, 40469740), (2, 20234870), (4, 10117435), (5, 8093948), (10, 4046974), (20, 2023487), (53, 763580), (73, 554380), (106, 381790), (146, 277190), (212, 190895), (265, 152716), (292, 138595), (365, 110876), (523, 77380), (530, 76358), (730, 55438), (1046, 38690), (1060, 38179), (1460, 27719), (2092, 19345), (2615, 15476), (3869, 10460), (5230, 7738)]