688252240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16141}}^1$

素因数の和:16208

約数の個数: 80

約数和(自身を含む): 1765418256

約数和(自身を除く): 1077166016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 16141, 21320, 32282, 42640, 64564, 80705, 129128, 161410, 209833, 258256, 322820, 419666, 645640, 661781, 839332, 1049165, 1291280, 1323562, 1678664, 2098330, 2647124, 3308905, 3357328, 4196660, 5294248, 6617810, 8393320, 8603153, 10588496, 13235620, 16786640, 17206306, 26471240, 34412612, 43015765, 52942480, 68825224, 86031530, 137650448, 172063060, 344126120, 688252240]

約数ペア:

[(1, 688252240), (2, 344126120), (4, 172063060), (5, 137650448), (8, 86031530), (10, 68825224), (13, 52942480), (16, 43015765), (20, 34412612), (26, 26471240), (40, 17206306), (41, 16786640), (52, 13235620), (65, 10588496), (80, 8603153), (82, 8393320), (104, 6617810), (130, 5294248), (164, 4196660), (205, 3357328), (208, 3308905), (260, 2647124), (328, 2098330), (410, 1678664), (520, 1323562), (533, 1291280), (656, 1049165), (820, 839332), (1040, 661781), (1066, 645640), (1640, 419666), (2132, 322820), (2665, 258256), (3280, 209833), (4264, 161410), (5330, 129128), (8528, 80705), (10660, 64564), (16141, 42640), (21320, 32282)]