268152040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{515677}}^1$

素因数の和:515701

約数の個数: 32

約数和(自身を含む): 649754280

約数和(自身を除く): 381602240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 515677, 1031354, 2062708, 2578385, 4125416, 5156770, 6703801, 10313540, 13407602, 20627080, 26815204, 33519005, 53630408, 67038010, 134076020, 268152040]

約数ペア:

[(1, 268152040), (2, 134076020), (4, 67038010), (5, 53630408), (8, 33519005), (10, 26815204), (13, 20627080), (20, 13407602), (26, 10313540), (40, 6703801), (52, 5156770), (65, 4125416), (104, 2578385), (130, 2062708), (260, 1031354), (520, 515677)]