80705300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62081}}^1$

素因数の和:62108

約数の個数: 36

約数和(自身を含む): 188605116

約数和(自身を除く): 107899816

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62081, 124162, 248324, 310405, 620810, 807053, 1241620, 1552025, 1614106, 3104050, 3228212, 4035265, 6208100, 8070530, 16141060, 20176325, 40352650, 80705300]

約数ペア:

[(1, 80705300), (2, 40352650), (4, 20176325), (5, 16141060), (10, 8070530), (13, 6208100), (20, 4035265), (25, 3228212), (26, 3104050), (50, 1614106), (52, 1552025), (65, 1241620), (100, 807053), (130, 620810), (260, 310405), (325, 248324), (650, 124162), (1300, 62081)]