4058020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 9172800

約数和(自身を除く): 5114780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 181, 190, 236, 295, 362, 380, 590, 724, 905, 1121, 1180, 1810, 2242, 3439, 3620, 4484, 5605, 6878, 10679, 11210, 13756, 17195, 21358, 22420, 34390, 42716, 53395, 68780, 106790, 202901, 213580, 405802, 811604, 1014505, 2029010, 4058020]

約数ペア:

[(1, 4058020), (2, 2029010), (4, 1014505), (5, 811604), (10, 405802), (19, 213580), (20, 202901), (38, 106790), (59, 68780), (76, 53395), (95, 42716), (118, 34390), (181, 22420), (190, 21358), (236, 17195), (295, 13756), (362, 11210), (380, 10679), (590, 6878), (724, 5605), (905, 4484), (1121, 3620), (1180, 3439), (1810, 2242)]