25180870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17609}}^1$

素因数の和:17640

約数の個数: 32

約数和(自身を含む): 53252640

約数和(自身を除く): 28071770

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17609, 35218, 88045, 176090, 193699, 228917, 387398, 457834, 968495, 1144585, 1936990, 2289170, 2518087, 5036174, 12590435, 25180870]

約数ペア:

[(1, 25180870), (2, 12590435), (5, 5036174), (10, 2518087), (11, 2289170), (13, 1936990), (22, 1144585), (26, 968495), (55, 457834), (65, 387398), (110, 228917), (130, 193699), (143, 176090), (286, 88045), (715, 35218), (1430, 17609)]