260923280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105211}}^1$

素因数の和:105255

約数の個数: 40

約数和(自身を含む): 626221824

約数和(自身を除く): 365298544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 105211, 210422, 420844, 526055, 841688, 1052110, 1683376, 2104220, 3261541, 4208440, 6523082, 8416880, 13046164, 16307705, 26092328, 32615410, 52184656, 65230820, 130461640, 260923280]

約数ペア:

[(1, 260923280), (2, 130461640), (4, 65230820), (5, 52184656), (8, 32615410), (10, 26092328), (16, 16307705), (20, 13046164), (31, 8416880), (40, 6523082), (62, 4208440), (80, 3261541), (124, 2104220), (155, 1683376), (248, 1052110), (310, 841688), (496, 526055), (620, 420844), (1240, 210422), (2480, 105211)]