25721430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2311}}^1$

素因数の和:2381

約数の個数: 64

約数和(自身を含む): 71912448

約数和(自身を除く): 46191018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 2226, 2311, 3710, 4622, 5565, 6933, 11130, 11555, 13866, 16177, 23110, 32354, 34665, 48531, 69330, 80885, 97062, 122483, 161770, 242655, 244966, 367449, 485310, 612415, 734898, 857381, 1224830, 1714762, 1837245, 2572143, 3674490, 4286905, 5144286, 8573810, 12860715, 25721430]

約数ペア:

[(1, 25721430), (2, 12860715), (3, 8573810), (5, 5144286), (6, 4286905), (7, 3674490), (10, 2572143), (14, 1837245), (15, 1714762), (21, 1224830), (30, 857381), (35, 734898), (42, 612415), (53, 485310), (70, 367449), (105, 244966), (106, 242655), (159, 161770), (210, 122483), (265, 97062), (318, 80885), (371, 69330), (530, 48531), (742, 34665), (795, 32354), (1113, 23110), (1590, 16177), (1855, 13866), (2226, 11555), (2311, 11130), (3710, 6933), (4622, 5565)]