51040880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1926

約数の個数: 80

約数和(自身を含む): 133705728

約数和(自身を除く): 82664848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 1871, 2480, 2728, 3410, 3742, 5456, 6820, 7484, 9355, 13640, 14968, 18710, 20581, 27280, 29936, 37420, 41162, 58001, 74840, 82324, 102905, 116002, 149680, 164648, 205810, 232004, 290005, 329296, 411620, 464008, 580010, 638011, 823240, 928016, 1160020, 1276022, 1646480, 2320040, 2552044, 3190055, 4640080, 5104088, 6380110, 10208176, 12760220, 25520440, 51040880]

約数ペア:

[(1, 51040880), (2, 25520440), (4, 12760220), (5, 10208176), (8, 6380110), (10, 5104088), (11, 4640080), (16, 3190055), (20, 2552044), (22, 2320040), (31, 1646480), (40, 1276022), (44, 1160020), (55, 928016), (62, 823240), (80, 638011), (88, 580010), (110, 464008), (124, 411620), (155, 329296), (176, 290005), (220, 232004), (248, 205810), (310, 164648), (341, 149680), (440, 116002), (496, 102905), (620, 82324), (682, 74840), (880, 58001), (1240, 41162), (1364, 37420), (1705, 29936), (1871, 27280), (2480, 20581), (2728, 18710), (3410, 14968), (3742, 13640), (5456, 9355), (6820, 7484)]