89796880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18401}}^1$

素因数の和:18475

約数の個数: 40

約数和(自身を含む): 212211864

約数和(自身を除く): 122414984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 18401, 36802, 73604, 92005, 147208, 184010, 294416, 368020, 736040, 1122461, 1472080, 2244922, 4489844, 5612305, 8979688, 11224610, 17959376, 22449220, 44898440, 89796880]

約数ペア:

[(1, 89796880), (2, 44898440), (4, 22449220), (5, 17959376), (8, 11224610), (10, 8979688), (16, 5612305), (20, 4489844), (40, 2244922), (61, 1472080), (80, 1122461), (122, 736040), (244, 368020), (305, 294416), (488, 184010), (610, 147208), (976, 92005), (1220, 73604), (2440, 36802), (4880, 18401)]