201328880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81181}}^1$

素因数の和:81225

約数の個数: 40

約数和(自身を含む): 483195264

約数和(自身を除く): 281866384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81181, 162362, 324724, 405905, 649448, 811810, 1298896, 1623620, 2516611, 3247240, 5033222, 6494480, 10066444, 12583055, 20132888, 25166110, 40265776, 50332220, 100664440, 201328880]

約数ペア:

[(1, 201328880), (2, 100664440), (4, 50332220), (5, 40265776), (8, 25166110), (10, 20132888), (16, 12583055), (20, 10066444), (31, 6494480), (40, 5033222), (62, 3247240), (80, 2516611), (124, 1623620), (155, 1298896), (248, 811810), (310, 649448), (496, 405905), (620, 324724), (1240, 162362), (2480, 81181)]