31514860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 41133716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2287, 2756, 3445, 4574, 6890, 9148, 11435, 13780, 22870, 29731, 45740, 59462, 118924, 121211, 148655, 242422, 297310, 484844, 594620, 606055, 1212110, 1575743, 2424220, 3151486, 6302972, 7878715, 15757430, 31514860]

約数ペア:

[(1, 31514860), (2, 15757430), (4, 7878715), (5, 6302972), (10, 3151486), (13, 2424220), (20, 1575743), (26, 1212110), (52, 606055), (53, 594620), (65, 484844), (106, 297310), (130, 242422), (212, 148655), (260, 121211), (265, 118924), (530, 59462), (689, 45740), (1060, 29731), (1378, 22870), (2287, 13780), (2756, 11435), (3445, 9148), (4574, 6890)]