7248020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 16696848

約数和(自身を除く): 9448828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 457, 610, 793, 914, 1220, 1586, 1828, 2285, 3172, 3965, 4570, 5941, 7930, 9140, 11882, 15860, 23764, 27877, 29705, 55754, 59410, 111508, 118820, 139385, 278770, 362401, 557540, 724802, 1449604, 1812005, 3624010, 7248020]

約数ペア:

[(1, 7248020), (2, 3624010), (4, 1812005), (5, 1449604), (10, 724802), (13, 557540), (20, 362401), (26, 278770), (52, 139385), (61, 118820), (65, 111508), (122, 59410), (130, 55754), (244, 29705), (260, 27877), (305, 23764), (457, 15860), (610, 11882), (793, 9140), (914, 7930), (1220, 5941), (1586, 4570), (1828, 3965), (2285, 3172)]