80433860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 186769800

約数和(自身を除く): 106335940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 449, 530, 676, 689, 845, 898, 1060, 1378, 1690, 1796, 2245, 2756, 3380, 3445, 4490, 5837, 6890, 8957, 8980, 11674, 13780, 17914, 23348, 23797, 29185, 35828, 44785, 47594, 58370, 75881, 89570, 95188, 116740, 118985, 151762, 179140, 237970, 303524, 309361, 379405, 475940, 618722, 758810, 1237444, 1517620, 1546805, 3093610, 4021693, 6187220, 8043386, 16086772, 20108465, 40216930, 80433860]

約数ペア:

[(1, 80433860), (2, 40216930), (4, 20108465), (5, 16086772), (10, 8043386), (13, 6187220), (20, 4021693), (26, 3093610), (52, 1546805), (53, 1517620), (65, 1237444), (106, 758810), (130, 618722), (169, 475940), (212, 379405), (260, 309361), (265, 303524), (338, 237970), (449, 179140), (530, 151762), (676, 118985), (689, 116740), (845, 95188), (898, 89570), (1060, 75881), (1378, 58370), (1690, 47594), (1796, 44785), (2245, 35828), (2756, 29185), (3380, 23797), (3445, 23348), (4490, 17914), (5837, 13780), (6890, 11674), (8957, 8980)]