2525680

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 5941584

約数和(自身を除く): 3415904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 241, 262, 482, 524, 655, 964, 1048, 1205, 1310, 1928, 2096, 2410, 2620, 3856, 4820, 5240, 9640, 10480, 19280, 31571, 63142, 126284, 157855, 252568, 315710, 505136, 631420, 1262840, 2525680]

約数ペア:

[(1, 2525680), (2, 1262840), (4, 631420), (5, 505136), (8, 315710), (10, 252568), (16, 157855), (20, 126284), (40, 63142), (80, 31571), (131, 19280), (241, 10480), (262, 9640), (482, 5240), (524, 4820), (655, 3856), (964, 2620), (1048, 2410), (1205, 2096), (1310, 1928)]