8511620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 20274240

約数和(自身を除く): 11762620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1723, 2470, 3446, 4940, 6892, 8615, 17230, 22399, 32737, 34460, 44798, 65474, 89596, 111995, 130948, 163685, 223990, 327370, 425581, 447980, 654740, 851162, 1702324, 2127905, 4255810, 8511620]

約数ペア:

[(1, 8511620), (2, 4255810), (4, 2127905), (5, 1702324), (10, 851162), (13, 654740), (19, 447980), (20, 425581), (26, 327370), (38, 223990), (52, 163685), (65, 130948), (76, 111995), (95, 89596), (130, 65474), (190, 44798), (247, 34460), (260, 32737), (380, 22399), (494, 17230), (988, 8615), (1235, 6892), (1723, 4940), (2470, 3446)]