26740220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5413}}^1$

素因数の和:5454

約数の個数: 48

約数和(自身を含む): 63668640

約数和(自身を除く): 36928420

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, 5413, 10826, 21652, 27065, 54130, 70369, 102847, 108260, 140738, 205694, 281476, 351845, 411388, 514235, 703690, 1028470, 1337011, 1407380, 2056940, 2674022, 5348044, 6685055, 13370110, 26740220]

約数ペア:

[(1, 26740220), (2, 13370110), (4, 6685055), (5, 5348044), (10, 2674022), (13, 2056940), (19, 1407380), (20, 1337011), (26, 1028470), (38, 703690), (52, 514235), (65, 411388), (76, 351845), (95, 281476), (130, 205694), (190, 140738), (247, 108260), (260, 102847), (380, 70369), (494, 54130), (988, 27065), (1235, 21652), (2470, 10826), (4940, 5413)]