51285160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 70020440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 701, 1180, 1240, 1402, 1829, 2360, 2804, 3505, 3658, 5608, 7010, 7316, 9145, 14020, 14632, 18290, 21731, 28040, 36580, 41359, 43462, 73160, 82718, 86924, 108655, 165436, 173848, 206795, 217310, 330872, 413590, 434620, 827180, 869240, 1282129, 1654360, 2564258, 5128516, 6410645, 10257032, 12821290, 25642580, 51285160]

約数ペア:

[(1, 51285160), (2, 25642580), (4, 12821290), (5, 10257032), (8, 6410645), (10, 5128516), (20, 2564258), (31, 1654360), (40, 1282129), (59, 869240), (62, 827180), (118, 434620), (124, 413590), (155, 330872), (236, 217310), (248, 206795), (295, 173848), (310, 165436), (472, 108655), (590, 86924), (620, 82718), (701, 73160), (1180, 43462), (1240, 41359), (1402, 36580), (1829, 28040), (2360, 21731), (2804, 18290), (3505, 14632), (3658, 14020), (5608, 9145), (7010, 7316)]