23278280

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1117}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 52523640

約数和(自身を除く): 29245360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1117, 2084, 2234, 2605, 4168, 4468, 5210, 5585, 8936, 10420, 11170, 20840, 22340, 44680, 581957, 1163914, 2327828, 2909785, 4655656, 5819570, 11639140, 23278280]

約数ペア:

[(1, 23278280), (2, 11639140), (4, 5819570), (5, 4655656), (8, 2909785), (10, 2327828), (20, 1163914), (40, 581957), (521, 44680), (1042, 22340), (1117, 20840), (2084, 11170), (2234, 10420), (2605, 8936), (4168, 5585), (4468, 5210)]