80037760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11369}}^1$

素因数の和:11399

約数の個数: 64

約数和(自身を含む): 208753200

約数和(自身を除く): 128715440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 11369, 22738, 45476, 56845, 90952, 113690, 125059, 181904, 227380, 250118, 363808, 454760, 500236, 625295, 727616, 909520, 1000472, 1250590, 1455232, 1819040, 2000944, 2501180, 3638080, 4001888, 5002360, 7276160, 8003776, 10004720, 16007552, 20009440, 40018880, 80037760]

約数ペア:

[(1, 80037760), (2, 40018880), (4, 20009440), (5, 16007552), (8, 10004720), (10, 8003776), (11, 7276160), (16, 5002360), (20, 4001888), (22, 3638080), (32, 2501180), (40, 2000944), (44, 1819040), (55, 1455232), (64, 1250590), (80, 1000472), (88, 909520), (110, 727616), (128, 625295), (160, 500236), (176, 454760), (220, 363808), (320, 250118), (352, 227380), (440, 181904), (640, 125059), (704, 113690), (880, 90952), (1408, 56845), (1760, 45476), (3520, 22738), (7040, 11369)]