12713720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10253}}^1$

素因数の和:10295

約数の個数: 32

約数和(自身を含む): 29531520

約数和(自身を除く): 16817800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10253, 20506, 41012, 51265, 82024, 102530, 205060, 317843, 410120, 635686, 1271372, 1589215, 2542744, 3178430, 6356860, 12713720]

約数ペア:

[(1, 12713720), (2, 6356860), (4, 3178430), (5, 2542744), (8, 1589215), (10, 1271372), (20, 635686), (31, 410120), (40, 317843), (62, 205060), (124, 102530), (155, 82024), (248, 51265), (310, 41012), (620, 20506), (1240, 10253)]