12762620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 29127168

約数和(自身を除く): 16364548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 257, 260, 382, 514, 764, 955, 1028, 1285, 1910, 2483, 2570, 3341, 3820, 4966, 5140, 6682, 9932, 12415, 13364, 16705, 24830, 33410, 49087, 49660, 66820, 98174, 196348, 245435, 490870, 638131, 981740, 1276262, 2552524, 3190655, 6381310, 12762620]

約数ペア:

[(1, 12762620), (2, 6381310), (4, 3190655), (5, 2552524), (10, 1276262), (13, 981740), (20, 638131), (26, 490870), (52, 245435), (65, 196348), (130, 98174), (191, 66820), (257, 49660), (260, 49087), (382, 33410), (514, 24830), (764, 16705), (955, 13364), (1028, 12415), (1285, 9932), (1910, 6682), (2483, 5140), (2570, 4966), (3341, 3820)]