28372720

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4273}}^1$

素因数の和:4369

約数の個数: 40

約数和(自身を含む): 66776976

約数和(自身を除く): 38404256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4273, 6640, 8546, 17092, 21365, 34184, 42730, 68368, 85460, 170920, 341840, 354659, 709318, 1418636, 1773295, 2837272, 3546590, 5674544, 7093180, 14186360, 28372720]

約数ペア:

[(1, 28372720), (2, 14186360), (4, 7093180), (5, 5674544), (8, 3546590), (10, 2837272), (16, 1773295), (20, 1418636), (40, 709318), (80, 354659), (83, 341840), (166, 170920), (332, 85460), (415, 68368), (664, 42730), (830, 34184), (1328, 21365), (1660, 17092), (3320, 8546), (4273, 6640)]