1252804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{20161}}^1$

素因数の和:20422

約数の個数: 48

約数和(自身を含む): 2845261440

約数和(自身を除く): 1592456900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 3107, 4780, 6214, 12428, 15535, 20161, 31070, 40322, 62140, 80644, 100805, 201610, 262093, 403220, 524186, 1048372, 1310465, 2620930, 4818479, 5241860, 9636958, 19273916, 24092395, 48184790, 62640227, 96369580, 125280454, 250560908, 313201135, 626402270, 1252804540]

約数ペア:

[(1, 1252804540), (2, 626402270), (4, 313201135), (5, 250560908), (10, 125280454), (13, 96369580), (20, 62640227), (26, 48184790), (52, 24092395), (65, 19273916), (130, 9636958), (239, 5241860), (260, 4818479), (478, 2620930), (956, 1310465), (1195, 1048372), (2390, 524186), (3107, 403220), (4780, 262093), (6214, 201610), (12428, 100805), (15535, 80644), (20161, 62140), (31070, 40322)]