640051566310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2503}}^1\times {\mathrm{85523}}^1$

素因数の和:88069

約数の個数: 64

約数和(自身を含む): 1295191876608

約数和(自身を除く): 655140310298

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2503, 2990, 5006, 12515, 25030, 32539, 57569, 65078, 85523, 115138, 162695, 171046, 287845, 325390, 427615, 575690, 748397, 855230, 1111799, 1496794, 1967029, 2223598, 3741985, 3934058, 5558995, 7483970, 9835145, 11117990, 19670290, 25571377, 51142754, 127856885, 214064069, 255713770, 428128138, 1070320345, 2140640690, 2782832897, 4923473587, 5565665794, 9846947174, 13914164485, 24617367935, 27828328970, 49234735870, 64005156631, 128010313262, 320025783155, 640051566310]

約数ペア:

[(1, 640051566310), (2, 320025783155), (5, 128010313262), (10, 64005156631), (13, 49234735870), (23, 27828328970), (26, 24617367935), (46, 13914164485), (65, 9846947174), (115, 5565665794), (130, 4923473587), (230, 2782832897), (299, 2140640690), (598, 1070320345), (1495, 428128138), (2503, 255713770), (2990, 214064069), (5006, 127856885), (12515, 51142754), (25030, 25571377), (32539, 19670290), (57569, 11117990), (65078, 9835145), (85523, 7483970), (115138, 5558995), (162695, 3934058), (171046, 3741985), (287845, 2223598), (325390, 1967029), (427615, 1496794), (575690, 1111799), (748397, 855230)]