54379580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 118917120

約数和(自身を除く): 64537540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 631, 695, 1262, 1390, 2524, 2780, 3155, 4309, 6310, 8618, 12620, 17236, 19561, 21545, 39122, 43090, 78244, 86180, 87709, 97805, 175418, 195610, 350836, 391220, 438545, 877090, 1754180, 2718979, 5437958, 10875916, 13594895, 27189790, 54379580]

約数ペア:

[(1, 54379580), (2, 27189790), (4, 13594895), (5, 10875916), (10, 5437958), (20, 2718979), (31, 1754180), (62, 877090), (124, 438545), (139, 391220), (155, 350836), (278, 195610), (310, 175418), (556, 97805), (620, 87709), (631, 86180), (695, 78244), (1262, 43090), (1390, 39122), (2524, 21545), (2780, 19561), (3155, 17236), (4309, 12620), (6310, 8618)]