31430440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9467}}^1$

素因数の和:9561

約数の個数: 32

約数和(自身を含む): 71578080

約数和(自身を除く): 40147640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9467, 18934, 37868, 47335, 75736, 94670, 189340, 378680, 785761, 1571522, 3143044, 3928805, 6286088, 7857610, 15715220, 31430440]

約数ペア:

[(1, 31430440), (2, 15715220), (4, 7857610), (5, 6286088), (8, 3928805), (10, 3143044), (20, 1571522), (40, 785761), (83, 378680), (166, 189340), (332, 94670), (415, 75736), (664, 47335), (830, 37868), (1660, 18934), (3320, 9467)]