71197120

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1109

約数の個数: 56

約数和(自身を含む): 170371008

約数和(自身を除く): 99173888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 821, 1084, 1355, 1642, 2168, 2710, 3284, 4105, 4336, 5420, 6568, 8210, 8672, 10840, 13136, 16420, 17344, 21680, 26272, 32840, 43360, 52544, 65680, 86720, 131360, 222491, 262720, 444982, 889964, 1112455, 1779928, 2224910, 3559856, 4449820, 7119712, 8899640, 14239424, 17799280, 35598560, 71197120]

約数ペア:

[(1, 71197120), (2, 35598560), (4, 17799280), (5, 14239424), (8, 8899640), (10, 7119712), (16, 4449820), (20, 3559856), (32, 2224910), (40, 1779928), (64, 1112455), (80, 889964), (160, 444982), (271, 262720), (320, 222491), (542, 131360), (821, 86720), (1084, 65680), (1355, 52544), (1642, 43360), (2168, 32840), (2710, 26272), (3284, 21680), (4105, 17344), (4336, 16420), (5420, 13136), (6568, 10840), (8210, 8672)]