131306480

素因数分解:

$2^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2731}}^1$

素因数の和:3345

約数の個数: 40

約数和(自身を含む): 305907504

約数和(自身を除く): 174601024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 601, 1202, 2404, 2731, 3005, 4808, 5462, 6010, 9616, 10924, 12020, 13655, 21848, 24040, 27310, 43696, 48080, 54620, 109240, 218480, 1641331, 3282662, 6565324, 8206655, 13130648, 16413310, 26261296, 32826620, 65653240, 131306480]

約数ペア:

[(1, 131306480), (2, 65653240), (4, 32826620), (5, 26261296), (8, 16413310), (10, 13130648), (16, 8206655), (20, 6565324), (40, 3282662), (80, 1641331), (601, 218480), (1202, 109240), (2404, 54620), (2731, 48080), (3005, 43696), (4808, 27310), (5462, 24040), (6010, 21848), (9616, 13655), (10924, 12020)]