2739620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 6371568

約数和(自身を除く): 3631948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 257, 260, 410, 514, 533, 820, 1028, 1066, 1285, 2132, 2570, 2665, 3341, 5140, 5330, 6682, 10537, 10660, 13364, 16705, 21074, 33410, 42148, 52685, 66820, 105370, 136981, 210740, 273962, 547924, 684905, 1369810, 2739620]

約数ペア:

[(1, 2739620), (2, 1369810), (4, 684905), (5, 547924), (10, 273962), (13, 210740), (20, 136981), (26, 105370), (41, 66820), (52, 52685), (65, 42148), (82, 33410), (130, 21074), (164, 16705), (205, 13364), (257, 10660), (260, 10537), (410, 6682), (514, 5330), (533, 5140), (820, 3341), (1028, 2665), (1066, 2570), (1285, 2132)]