66814540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11173}}^1$

素因数の和:11218

約数の個数: 48

約数和(自身を含む): 157687488

約数和(自身を除く): 90872948

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 11173, 22346, 44692, 55865, 111730, 145249, 223460, 256979, 290498, 513958, 580996, 726245, 1027916, 1284895, 1452490, 2569790, 2904980, 3340727, 5139580, 6681454, 13362908, 16703635, 33407270, 66814540]

約数ペア:

[(1, 66814540), (2, 33407270), (4, 16703635), (5, 13362908), (10, 6681454), (13, 5139580), (20, 3340727), (23, 2904980), (26, 2569790), (46, 1452490), (52, 1284895), (65, 1027916), (92, 726245), (115, 580996), (130, 513958), (230, 290498), (260, 256979), (299, 223460), (460, 145249), (598, 111730), (1196, 55865), (1495, 44692), (2990, 22346), (5980, 11173)]