84568720

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2029}}^1$

素因数の和:2563

約数の個数: 40

約数和(自身を含む): 197096760

約数和(自身を除く): 112528040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2029, 2084, 2605, 4058, 4168, 5210, 8116, 8336, 10145, 10420, 16232, 20290, 20840, 32464, 40580, 41680, 81160, 162320, 1057109, 2114218, 4228436, 5285545, 8456872, 10571090, 16913744, 21142180, 42284360, 84568720]

約数ペア:

[(1, 84568720), (2, 42284360), (4, 21142180), (5, 16913744), (8, 10571090), (10, 8456872), (16, 5285545), (20, 4228436), (40, 2114218), (80, 1057109), (521, 162320), (1042, 81160), (2029, 41680), (2084, 40580), (2605, 32464), (4058, 20840), (4168, 20290), (5210, 16232), (8116, 10420), (8336, 10145)]