80880320

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1497

約数の個数: 56

約数和(自身を含む): 193724784

約数和(自身を除く): 112844464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1283, 1576, 1970, 2566, 3152, 3940, 5132, 6304, 6415, 7880, 10264, 12608, 12830, 15760, 20528, 25660, 31520, 41056, 51320, 63040, 82112, 102640, 205280, 252751, 410560, 505502, 1011004, 1263755, 2022008, 2527510, 4044016, 5055020, 8088032, 10110040, 16176064, 20220080, 40440160, 80880320]

約数ペア:

[(1, 80880320), (2, 40440160), (4, 20220080), (5, 16176064), (8, 10110040), (10, 8088032), (16, 5055020), (20, 4044016), (32, 2527510), (40, 2022008), (64, 1263755), (80, 1011004), (160, 505502), (197, 410560), (320, 252751), (394, 205280), (788, 102640), (985, 82112), (1283, 63040), (1576, 51320), (1970, 41056), (2566, 31520), (3152, 25660), (3940, 20528), (5132, 15760), (6304, 12830), (6415, 12608), (7880, 10264)]