130009640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 302132160

約数和(自身を除く): 172122520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 344, 430, 524, 577, 655, 860, 1048, 1154, 1310, 1720, 2308, 2620, 2885, 4616, 5240, 5633, 5770, 11266, 11540, 22532, 23080, 24811, 28165, 45064, 49622, 56330, 75587, 99244, 112660, 124055, 151174, 198488, 225320, 248110, 302348, 377935, 496220, 604696, 755870, 992440, 1511740, 3023480, 3250241, 6500482, 13000964, 16251205, 26001928, 32502410, 65004820, 130009640]

約数ペア:

[(1, 130009640), (2, 65004820), (4, 32502410), (5, 26001928), (8, 16251205), (10, 13000964), (20, 6500482), (40, 3250241), (43, 3023480), (86, 1511740), (131, 992440), (172, 755870), (215, 604696), (262, 496220), (344, 377935), (430, 302348), (524, 248110), (577, 225320), (655, 198488), (860, 151174), (1048, 124055), (1154, 112660), (1310, 99244), (1720, 75587), (2308, 56330), (2620, 49622), (2885, 45064), (4616, 28165), (5240, 24811), (5633, 23080), (5770, 22532), (11266, 11540)]