4642820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 12004608

約数和(自身を除く): 7361788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2551, 5102, 10204, 12755, 17857, 25510, 33163, 35714, 51020, 66326, 71428, 89285, 132652, 165815, 178570, 232141, 331630, 357140, 464282, 663260, 928564, 1160705, 2321410, 4642820]

約数ペア:

[(1, 4642820), (2, 2321410), (4, 1160705), (5, 928564), (7, 663260), (10, 464282), (13, 357140), (14, 331630), (20, 232141), (26, 178570), (28, 165815), (35, 132652), (52, 89285), (65, 71428), (70, 66326), (91, 51020), (130, 35714), (140, 33163), (182, 25510), (260, 17857), (364, 12755), (455, 10204), (910, 5102), (1820, 2551)]