81200464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1435

約数の個数: 40

約数和(自身を含む): 164052000

約数和(自身を除く): 82851536

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 139, 232, 278, 464, 556, 1112, 1259, 2224, 2518, 4031, 5036, 8062, 10072, 16124, 20144, 32248, 36511, 64496, 73022, 146044, 175001, 292088, 350002, 584176, 700004, 1400008, 2800016, 5075029, 10150058, 20300116, 40600232, 81200464]

約数ペア:

[(1, 81200464), (2, 40600232), (4, 20300116), (8, 10150058), (16, 5075029), (29, 2800016), (58, 1400008), (116, 700004), (139, 584176), (232, 350002), (278, 292088), (464, 175001), (556, 146044), (1112, 73022), (1259, 64496), (2224, 36511), (2518, 32248), (4031, 20144), (5036, 16124), (8062, 10072)]