31250480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12601}}^1$

素因数の和:12645

約数の個数: 40

約数和(自身を含む): 75007104

約数和(自身を除く): 43756624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 390631, 504040, 781262, 1008080, 1562524, 1953155, 3125048, 3906310, 6250096, 7812620, 15625240, 31250480]

約数ペア:

[(1, 31250480), (2, 15625240), (4, 7812620), (5, 6250096), (8, 3906310), (10, 3125048), (16, 1953155), (20, 1562524), (31, 1008080), (40, 781262), (62, 504040), (80, 390631), (124, 252020), (155, 201616), (248, 126010), (310, 100808), (496, 63005), (620, 50404), (1240, 25202), (2480, 12601)]