65942720

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1089

約数の個数: 56

約数和(自身を含む): 157843728

約数和(自身を除く): 91901008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 821, 1004, 1255, 1642, 2008, 2510, 3284, 4016, 4105, 5020, 6568, 8032, 8210, 10040, 13136, 16064, 16420, 20080, 26272, 32840, 40160, 52544, 65680, 80320, 131360, 206071, 262720, 412142, 824284, 1030355, 1648568, 2060710, 3297136, 4121420, 6594272, 8242840, 13188544, 16485680, 32971360, 65942720]

約数ペア:

[(1, 65942720), (2, 32971360), (4, 16485680), (5, 13188544), (8, 8242840), (10, 6594272), (16, 4121420), (20, 3297136), (32, 2060710), (40, 1648568), (64, 1030355), (80, 824284), (160, 412142), (251, 262720), (320, 206071), (502, 131360), (821, 80320), (1004, 65680), (1255, 52544), (1642, 40160), (2008, 32840), (2510, 26272), (3284, 20080), (4016, 16420), (4105, 16064), (5020, 13136), (6568, 10040), (8032, 8210)]