12645520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5099}}^1$

素因数の和:5143

約数の個数: 40

約数和(自身を含む): 30355200

約数和(自身を除く): 17709680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5099, 10198, 20396, 25495, 40792, 50990, 81584, 101980, 158069, 203960, 316138, 407920, 632276, 790345, 1264552, 1580690, 2529104, 3161380, 6322760, 12645520]

約数ペア:

[(1, 12645520), (2, 6322760), (4, 3161380), (5, 2529104), (8, 1580690), (10, 1264552), (16, 790345), (20, 632276), (31, 407920), (40, 316138), (62, 203960), (80, 158069), (124, 101980), (155, 81584), (248, 50990), (310, 40792), (496, 25495), (620, 20396), (1240, 10198), (2480, 5099)]