55180190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 108939168

約数和(自身を除く): 53758978

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 169, 206, 317, 338, 515, 634, 845, 1030, 1339, 1585, 1690, 2678, 3170, 4121, 6695, 8242, 13390, 17407, 20605, 32651, 34814, 41210, 53573, 65302, 87035, 107146, 163255, 174070, 267865, 326510, 424463, 535730, 848926, 2122315, 4244630, 5518019, 11036038, 27590095, 55180190]

約数ペア:

[(1, 55180190), (2, 27590095), (5, 11036038), (10, 5518019), (13, 4244630), (26, 2122315), (65, 848926), (103, 535730), (130, 424463), (169, 326510), (206, 267865), (317, 174070), (338, 163255), (515, 107146), (634, 87035), (845, 65302), (1030, 53573), (1339, 41210), (1585, 34814), (1690, 32651), (2678, 20605), (3170, 17407), (4121, 13390), (6695, 8242)]