2045474420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{5531}}^1$

素因数の和:5633

約数の個数: 72

約数和(自身を含む): 4803944544

約数和(自身を除く): 2758470124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1681, 1804, 2255, 3362, 4510, 5531, 6724, 8405, 9020, 11062, 16810, 18491, 22124, 27655, 33620, 36982, 55310, 60841, 73964, 92455, 110620, 121682, 184910, 226771, 243364, 304205, 369820, 453542, 608410, 907084, 1133855, 1216820, 2267710, 2494481, 4535420, 4988962, 9297611, 9977924, 12472405, 18595222, 24944810, 37190444, 46488055, 49889620, 92976110, 102273721, 185952220, 204547442, 409094884, 511368605, 1022737210, 2045474420]

約数ペア:

[(1, 2045474420), (2, 1022737210), (4, 511368605), (5, 409094884), (10, 204547442), (11, 185952220), (20, 102273721), (22, 92976110), (41, 49889620), (44, 46488055), (55, 37190444), (82, 24944810), (110, 18595222), (164, 12472405), (205, 9977924), (220, 9297611), (410, 4988962), (451, 4535420), (820, 2494481), (902, 2267710), (1681, 1216820), (1804, 1133855), (2255, 907084), (3362, 608410), (4510, 453542), (5531, 369820), (6724, 304205), (8405, 243364), (9020, 226771), (11062, 184910), (16810, 121682), (18491, 110620), (22124, 92455), (27655, 73964), (33620, 60841), (36982, 55310)]