80527480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 198586080

約数和(自身を除く): 118058600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 440, 461, 794, 922, 1588, 1844, 1985, 2305, 3176, 3688, 3970, 4367, 4610, 5071, 7940, 8734, 9220, 10142, 15880, 17468, 18440, 20284, 21835, 25355, 34936, 40568, 43670, 50710, 87340, 101420, 174680, 183017, 202840, 366034, 732068, 915085, 1464136, 1830170, 2013187, 3660340, 4026374, 7320680, 8052748, 10065935, 16105496, 20131870, 40263740, 80527480]

約数ペア:

[(1, 80527480), (2, 40263740), (4, 20131870), (5, 16105496), (8, 10065935), (10, 8052748), (11, 7320680), (20, 4026374), (22, 3660340), (40, 2013187), (44, 1830170), (55, 1464136), (88, 915085), (110, 732068), (220, 366034), (397, 202840), (440, 183017), (461, 174680), (794, 101420), (922, 87340), (1588, 50710), (1844, 43670), (1985, 40568), (2305, 34936), (3176, 25355), (3688, 21835), (3970, 20284), (4367, 18440), (4610, 17468), (5071, 15880), (7940, 10142), (8734, 9220)]