65920460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 141699936

約数和(自身を除く): 75779476

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 277, 292, 326, 365, 554, 652, 730, 815, 1108, 1385, 1460, 1630, 2770, 3260, 5540, 11899, 20221, 23798, 40442, 45151, 47596, 59495, 80884, 90302, 101105, 118990, 180604, 202210, 225755, 237980, 404420, 451510, 903020, 3296023, 6592046, 13184092, 16480115, 32960230, 65920460]

約数ペア:

[(1, 65920460), (2, 32960230), (4, 16480115), (5, 13184092), (10, 6592046), (20, 3296023), (73, 903020), (146, 451510), (163, 404420), (277, 237980), (292, 225755), (326, 202210), (365, 180604), (554, 118990), (652, 101105), (730, 90302), (815, 80884), (1108, 59495), (1385, 47596), (1460, 45151), (1630, 40442), (2770, 23798), (3260, 20221), (5540, 11899)]