42972640

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 101923920

約数和(自身を除く): 58951280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 641, 838, 1282, 1676, 2095, 2564, 3205, 3352, 4190, 5128, 6410, 6704, 8380, 10256, 12820, 13408, 16760, 20512, 25640, 33520, 51280, 67040, 102560, 268579, 537158, 1074316, 1342895, 2148632, 2685790, 4297264, 5371580, 8594528, 10743160, 21486320, 42972640]

約数ペア:

[(1, 42972640), (2, 21486320), (4, 10743160), (5, 8594528), (8, 5371580), (10, 4297264), (16, 2685790), (20, 2148632), (32, 1342895), (40, 1074316), (80, 537158), (160, 268579), (419, 102560), (641, 67040), (838, 51280), (1282, 33520), (1676, 25640), (2095, 20512), (2564, 16760), (3205, 13408), (3352, 12820), (4190, 10256), (5128, 8380), (6410, 6704)]