42168080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8641}}^1$

素因数の和:8715

約数の個数: 40

約数和(自身を含む): 99659544

約数和(自身を除く): 57491464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8641, 17282, 34564, 43205, 69128, 86410, 138256, 172820, 345640, 527101, 691280, 1054202, 2108404, 2635505, 4216808, 5271010, 8433616, 10542020, 21084040, 42168080]

約数ペア:

[(1, 42168080), (2, 21084040), (4, 10542020), (5, 8433616), (8, 5271010), (10, 4216808), (16, 2635505), (20, 2108404), (40, 1054202), (61, 691280), (80, 527101), (122, 345640), (244, 172820), (305, 138256), (488, 86410), (610, 69128), (976, 43205), (1220, 34564), (2440, 17282), (4880, 8641)]