25426180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 35114300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5147, 10294, 20588, 25735, 51470, 66911, 97793, 102940, 133822, 195586, 267644, 334555, 391172, 488965, 669110, 977930, 1271309, 1338220, 1955860, 2542618, 5085236, 6356545, 12713090, 25426180]

約数ペア:

[(1, 25426180), (2, 12713090), (4, 6356545), (5, 5085236), (10, 2542618), (13, 1955860), (19, 1338220), (20, 1271309), (26, 977930), (38, 669110), (52, 488965), (65, 391172), (76, 334555), (95, 267644), (130, 195586), (190, 133822), (247, 102940), (260, 97793), (380, 66911), (494, 51470), (988, 25735), (1235, 20588), (2470, 10294), (4940, 5147)]