90801490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1667}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 176541120

約数和(自身を除く): 85739630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 1667, 2095, 3334, 4190, 5447, 8335, 10894, 16670, 21671, 27235, 43342, 54470, 108355, 216710, 698473, 1396946, 3492365, 6984730, 9080149, 18160298, 45400745, 90801490]

約数ペア:

[(1, 90801490), (2, 45400745), (5, 18160298), (10, 9080149), (13, 6984730), (26, 3492365), (65, 1396946), (130, 698473), (419, 216710), (838, 108355), (1667, 54470), (2095, 43342), (3334, 27235), (4190, 21671), (5447, 16670), (8335, 10894)]