265342640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106993}}^1$

素因数の和:107037

約数の個数: 40

約数和(自身を含む): 636828288

約数和(自身を除く): 371485648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 106993, 213986, 427972, 534965, 855944, 1069930, 1711888, 2139860, 3316783, 4279720, 6633566, 8559440, 13267132, 16583915, 26534264, 33167830, 53068528, 66335660, 132671320, 265342640]

約数ペア:

[(1, 265342640), (2, 132671320), (4, 66335660), (5, 53068528), (8, 33167830), (10, 26534264), (16, 16583915), (20, 13267132), (31, 8559440), (40, 6633566), (62, 4279720), (80, 3316783), (124, 2139860), (155, 1711888), (248, 1069930), (310, 855944), (496, 534965), (620, 427972), (1240, 213986), (2480, 106993)]