71687800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{6763}}^1$

素因数の和:6832

約数の個数: 48

約数和(自身を含む): 169844040

約数和(自身を除く): 98156240

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, 6763, 10600, 13526, 27052, 33815, 54104, 67630, 135260, 169075, 270520, 338150, 358439, 676300, 716878, 1352600, 1433756, 1792195, 2867512, 3584390, 7168780, 8960975, 14337560, 17921950, 35843900, 71687800]

約数ペア:

[(1, 71687800), (2, 35843900), (4, 17921950), (5, 14337560), (8, 8960975), (10, 7168780), (20, 3584390), (25, 2867512), (40, 1792195), (50, 1433756), (53, 1352600), (100, 716878), (106, 676300), (200, 358439), (212, 338150), (265, 270520), (424, 169075), (530, 135260), (1060, 67630), (1325, 54104), (2120, 33815), (2650, 27052), (5300, 13526), (6763, 10600)]