85864940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21149}}^1$

素因数の和:21194

約数の個数: 48

約数和(自身を含む): 213192000

約数和(自身を除く): 127327060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21149, 42298, 84596, 105745, 148043, 211490, 296086, 422980, 592172, 613321, 740215, 1226642, 1480430, 2453284, 2960860, 3066605, 4293247, 6133210, 8586494, 12266420, 17172988, 21466235, 42932470, 85864940]

約数ペア:

[(1, 85864940), (2, 42932470), (4, 21466235), (5, 17172988), (7, 12266420), (10, 8586494), (14, 6133210), (20, 4293247), (28, 3066605), (29, 2960860), (35, 2453284), (58, 1480430), (70, 1226642), (116, 740215), (140, 613321), (145, 592172), (203, 422980), (290, 296086), (406, 211490), (580, 148043), (812, 105745), (1015, 84596), (2030, 42298), (4060, 21149)]