182828080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73721}}^1$

素因数の和:73765

約数の個数: 40

約数和(自身を含む): 438793344

約数和(自身を除く): 255965264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 73721, 147442, 294884, 368605, 589768, 737210, 1179536, 1474420, 2285351, 2948840, 4570702, 5897680, 9141404, 11426755, 18282808, 22853510, 36565616, 45707020, 91414040, 182828080]

約数ペア:

[(1, 182828080), (2, 91414040), (4, 45707020), (5, 36565616), (8, 22853510), (10, 18282808), (16, 11426755), (20, 9141404), (31, 5897680), (40, 4570702), (62, 2948840), (80, 2285351), (124, 1474420), (155, 1179536), (248, 737210), (310, 589768), (496, 368605), (620, 294884), (1240, 147442), (2480, 73721)]