25378925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 12951955

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 143, 155, 229, 275, 325, 341, 403, 715, 775, 1145, 1705, 2015, 2519, 2977, 3575, 4433, 5725, 7099, 8525, 10075, 12595, 14885, 22165, 32747, 35495, 62975, 74425, 78089, 92287, 110825, 163735, 177475, 390445, 461435, 818675, 1015157, 1952225, 2307175, 5075785, 25378925]

約数ペア:

[(1, 25378925), (5, 5075785), (11, 2307175), (13, 1952225), (25, 1015157), (31, 818675), (55, 461435), (65, 390445), (143, 177475), (155, 163735), (229, 110825), (275, 92287), (325, 78089), (341, 74425), (403, 62975), (715, 35495), (775, 32747), (1145, 22165), (1705, 14885), (2015, 12595), (2519, 10075), (2977, 8525), (3575, 7099), (4433, 5725)]