25399205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 9074395

約数列:

[1, 5, 13, 37, 59, 65, 179, 185, 295, 481, 767, 895, 2183, 2327, 2405, 3835, 6623, 10561, 10915, 11635, 28379, 33115, 52805, 86099, 137293, 141895, 390757, 430495, 686465, 1953785, 5079841, 25399205]

約数ペア:

[(1, 25399205), (5, 5079841), (13, 1953785), (37, 686465), (59, 430495), (65, 390757), (179, 141895), (185, 137293), (295, 86099), (481, 52805), (767, 33115), (895, 28379), (2183, 11635), (2327, 10915), (2405, 10561), (3835, 6623)]