89827720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54773}}^1$

素因数の和:54825

約数の個数: 32

約数和(自身を含む): 207045720

約数和(自身を除く): 117218000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54773, 109546, 219092, 273865, 438184, 547730, 1095460, 2190920, 2245693, 4491386, 8982772, 11228465, 17965544, 22456930, 44913860, 89827720]

約数ペア:

[(1, 89827720), (2, 44913860), (4, 22456930), (5, 17965544), (8, 11228465), (10, 8982772), (20, 4491386), (40, 2245693), (41, 2190920), (82, 1095460), (164, 547730), (205, 438184), (328, 273865), (410, 219092), (820, 109546), (1640, 54773)]