2187880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 4989600

約数和(自身を除く): 2801720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 659, 664, 830, 1318, 1660, 2636, 3295, 3320, 5272, 6590, 13180, 26360, 54697, 109394, 218788, 273485, 437576, 546970, 1093940, 2187880]

約数ペア:

[(1, 2187880), (2, 1093940), (4, 546970), (5, 437576), (8, 273485), (10, 218788), (20, 109394), (40, 54697), (83, 26360), (166, 13180), (332, 6590), (415, 5272), (659, 3320), (664, 3295), (830, 2636), (1318, 1660)]