1258280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 2872800

約数和(自身を除く): 1614520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 379, 415, 664, 758, 830, 1516, 1660, 1895, 3032, 3320, 3790, 7580, 15160, 31457, 62914, 125828, 157285, 251656, 314570, 629140, 1258280]

約数ペア:

[(1, 1258280), (2, 629140), (4, 314570), (5, 251656), (8, 157285), (10, 125828), (20, 62914), (40, 31457), (83, 15160), (166, 7580), (332, 3790), (379, 3320), (415, 3032), (664, 1895), (758, 1660), (830, 1516)]