61882820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 135238656

約数和(自身を除く): 73355836

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 604, 620, 661, 755, 1322, 1510, 2644, 3020, 3305, 4681, 6610, 9362, 13220, 18724, 20491, 23405, 40982, 46810, 81964, 93620, 99811, 102455, 199622, 204910, 399244, 409820, 499055, 998110, 1996220, 3094141, 6188282, 12376564, 15470705, 30941410, 61882820]

約数ペア:

[(1, 61882820), (2, 30941410), (4, 15470705), (5, 12376564), (10, 6188282), (20, 3094141), (31, 1996220), (62, 998110), (124, 499055), (151, 409820), (155, 399244), (302, 204910), (310, 199622), (604, 102455), (620, 99811), (661, 93620), (755, 81964), (1322, 46810), (1510, 40982), (2644, 23405), (3020, 20491), (3305, 18724), (4681, 13220), (6610, 9362)]