79165840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 199862208

約数和(自身を除く): 120696368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 467, 520, 652, 815, 934, 1040, 1304, 1630, 1868, 2119, 2335, 2608, 3260, 3736, 4238, 4670, 6071, 6520, 7472, 8476, 9340, 10595, 12142, 13040, 16952, 18680, 21190, 24284, 30355, 33904, 37360, 42380, 48568, 60710, 76121, 84760, 97136, 121420, 152242, 169520, 242840, 304484, 380605, 485680, 608968, 761210, 989573, 1217936, 1522420, 1979146, 3044840, 3958292, 4947865, 6089680, 7916584, 9895730, 15833168, 19791460, 39582920, 79165840]

約数ペア:

[(1, 79165840), (2, 39582920), (4, 19791460), (5, 15833168), (8, 9895730), (10, 7916584), (13, 6089680), (16, 4947865), (20, 3958292), (26, 3044840), (40, 1979146), (52, 1522420), (65, 1217936), (80, 989573), (104, 761210), (130, 608968), (163, 485680), (208, 380605), (260, 304484), (326, 242840), (467, 169520), (520, 152242), (652, 121420), (815, 97136), (934, 84760), (1040, 76121), (1304, 60710), (1630, 48568), (1868, 42380), (2119, 37360), (2335, 33904), (2608, 30355), (3260, 24284), (3736, 21190), (4238, 18680), (4670, 16952), (6071, 13040), (6520, 12142), (7472, 10595), (8476, 9340)]