12649240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^2$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 29672640

約数和(自身を除く): 17023400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 808, 1010, 1240, 2020, 3131, 4040, 6262, 10201, 12524, 15655, 20402, 25048, 31310, 40804, 51005, 62620, 81608, 102010, 125240, 204020, 316231, 408040, 632462, 1264924, 1581155, 2529848, 3162310, 6324620, 12649240]

約数ペア:

[(1, 12649240), (2, 6324620), (4, 3162310), (5, 2529848), (8, 1581155), (10, 1264924), (20, 632462), (31, 408040), (40, 316231), (62, 204020), (101, 125240), (124, 102010), (155, 81608), (202, 62620), (248, 51005), (310, 40804), (404, 31310), (505, 25048), (620, 20402), (808, 15655), (1010, 12524), (1240, 10201), (2020, 6262), (3131, 4040)]