210009920

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7907}}^1$

素因数の和:8007

約数の個数: 56

約数和(自身を含む): 506175264

約数和(自身を除く): 296165344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5312, 6640, 7907, 13280, 15814, 26560, 31628, 39535, 63256, 79070, 126512, 158140, 253024, 316280, 506048, 632560, 656281, 1265120, 1312562, 2530240, 2625124, 3281405, 5250248, 6562810, 10500496, 13125620, 21000992, 26251240, 42001984, 52502480, 105004960, 210009920]

約数ペア:

[(1, 210009920), (2, 105004960), (4, 52502480), (5, 42001984), (8, 26251240), (10, 21000992), (16, 13125620), (20, 10500496), (32, 6562810), (40, 5250248), (64, 3281405), (80, 2625124), (83, 2530240), (160, 1312562), (166, 1265120), (320, 656281), (332, 632560), (415, 506048), (664, 316280), (830, 253024), (1328, 158140), (1660, 126512), (2656, 79070), (3320, 63256), (5312, 39535), (6640, 31628), (7907, 26560), (13280, 15814)]