81906200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7727}}^1$

素因数の和:7796

約数の個数: 48

約数和(自身を含む): 194050080

約数和(自身を除く): 112143880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 5300, 7727, 10600, 15454, 30908, 38635, 61816, 77270, 154540, 193175, 309080, 386350, 409531, 772700, 819062, 1545400, 1638124, 2047655, 3276248, 4095310, 8190620, 10238275, 16381240, 20476550, 40953100, 81906200]

約数ペア:

[(1, 81906200), (2, 40953100), (4, 20476550), (5, 16381240), (8, 10238275), (10, 8190620), (20, 4095310), (25, 3276248), (40, 2047655), (50, 1638124), (53, 1545400), (100, 819062), (106, 772700), (200, 409531), (212, 386350), (265, 309080), (424, 193175), (530, 154540), (1060, 77270), (1325, 61816), (2120, 38635), (2650, 30908), (5300, 15454), (7727, 10600)]