129506240

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4007}}^1$

素因数の和:4125

約数の個数: 56

約数和(自身を含む): 311517792

約数和(自身を除く): 182011552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 4007, 4040, 6464, 8014, 8080, 16028, 16160, 20035, 32056, 32320, 40070, 64112, 80140, 128224, 160280, 256448, 320560, 404707, 641120, 809414, 1282240, 1618828, 2023535, 3237656, 4047070, 6475312, 8094140, 12950624, 16188280, 25901248, 32376560, 64753120, 129506240]

約数ペア:

[(1, 129506240), (2, 64753120), (4, 32376560), (5, 25901248), (8, 16188280), (10, 12950624), (16, 8094140), (20, 6475312), (32, 4047070), (40, 3237656), (64, 2023535), (80, 1618828), (101, 1282240), (160, 809414), (202, 641120), (320, 404707), (404, 320560), (505, 256448), (808, 160280), (1010, 128224), (1616, 80140), (2020, 64112), (3232, 40070), (4007, 32320), (4040, 32056), (6464, 20035), (8014, 16160), (8080, 16028)]