86777680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3236

約数の個数: 80

約数和(自身を含む): 227271168

約数和(自身を除く): 140493488

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, 2480, 2728, 3181, 3410, 5456, 6362, 6820, 12724, 13640, 15905, 25448, 27280, 31810, 34991, 50896, 63620, 69982, 98611, 127240, 139964, 174955, 197222, 254480, 279928, 349910, 394444, 493055, 559856, 699820, 788888, 986110, 1084721, 1399640, 1577776, 1972220, 2169442, 2799280, 3944440, 4338884, 5423605, 7888880, 8677768, 10847210, 17355536, 21694420, 43388840, 86777680]

約数ペア:

[(1, 86777680), (2, 43388840), (4, 21694420), (5, 17355536), (8, 10847210), (10, 8677768), (11, 7888880), (16, 5423605), (20, 4338884), (22, 3944440), (31, 2799280), (40, 2169442), (44, 1972220), (55, 1577776), (62, 1399640), (80, 1084721), (88, 986110), (110, 788888), (124, 699820), (155, 559856), (176, 493055), (220, 394444), (248, 349910), (310, 279928), (341, 254480), (440, 197222), (496, 174955), (620, 139964), (682, 127240), (880, 98611), (1240, 69982), (1364, 63620), (1705, 50896), (2480, 34991), (2728, 31810), (3181, 27280), (3410, 25448), (5456, 15905), (6362, 13640), (6820, 12724)]