80493850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 158605920

約数和(自身を除く): 78112070

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 145, 215, 290, 430, 725, 1075, 1247, 1291, 1450, 2150, 2494, 2582, 6235, 6455, 12470, 12910, 31175, 32275, 37439, 55513, 62350, 64550, 74878, 111026, 187195, 277565, 374390, 555130, 935975, 1387825, 1609877, 1871950, 2775650, 3219754, 8049385, 16098770, 40246925, 80493850]

約数ペア:

[(1, 80493850), (2, 40246925), (5, 16098770), (10, 8049385), (25, 3219754), (29, 2775650), (43, 1871950), (50, 1609877), (58, 1387825), (86, 935975), (145, 555130), (215, 374390), (290, 277565), (430, 187195), (725, 111026), (1075, 74878), (1247, 64550), (1291, 62350), (1450, 55513), (2150, 37439), (2494, 32275), (2582, 31175), (6235, 12910), (6455, 12470)]