80481760

素因数分解:

$2^5\times 5^1\times {\mathrm{677}}^1\times {\mathrm{743}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 190675296

約数和(自身を除く): 110193536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 677, 743, 1354, 1486, 2708, 2972, 3385, 3715, 5416, 5944, 6770, 7430, 10832, 11888, 13540, 14860, 21664, 23776, 27080, 29720, 54160, 59440, 108320, 118880, 503011, 1006022, 2012044, 2515055, 4024088, 5030110, 8048176, 10060220, 16096352, 20120440, 40240880, 80481760]

約数ペア:

[(1, 80481760), (2, 40240880), (4, 20120440), (5, 16096352), (8, 10060220), (10, 8048176), (16, 5030110), (20, 4024088), (32, 2515055), (40, 2012044), (80, 1006022), (160, 503011), (677, 118880), (743, 108320), (1354, 59440), (1486, 54160), (2708, 29720), (2972, 27080), (3385, 23776), (3715, 21664), (5416, 14860), (5944, 13540), (6770, 11888), (7430, 10832)]