1098920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 2509920

約数和(自身を除く): 1411000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 331, 332, 415, 662, 664, 830, 1324, 1655, 1660, 2648, 3310, 3320, 6620, 13240, 27473, 54946, 109892, 137365, 219784, 274730, 549460, 1098920]

約数ペア:

[(1, 1098920), (2, 549460), (4, 274730), (5, 219784), (8, 137365), (10, 109892), (20, 54946), (40, 27473), (83, 13240), (166, 6620), (331, 3320), (332, 3310), (415, 2648), (662, 1660), (664, 1655), (830, 1324)]