25345580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 58169664

約数和(自身を除く): 32824084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1373, 1420, 1846, 2746, 3692, 4615, 5492, 6865, 9230, 13730, 17849, 18460, 27460, 35698, 71396, 89245, 97483, 178490, 194966, 356980, 389932, 487415, 974830, 1267279, 1949660, 2534558, 5069116, 6336395, 12672790, 25345580]

約数ペア:

[(1, 25345580), (2, 12672790), (4, 6336395), (5, 5069116), (10, 2534558), (13, 1949660), (20, 1267279), (26, 974830), (52, 487415), (65, 389932), (71, 356980), (130, 194966), (142, 178490), (260, 97483), (284, 89245), (355, 71396), (710, 35698), (923, 27460), (1373, 18460), (1420, 17849), (1846, 13730), (2746, 9230), (3692, 6865), (4615, 5492)]