80711200

素因数分解:

$2^5\times 5^2\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 198338868

約数和(自身を除く): 117627668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 233, 400, 433, 466, 800, 866, 932, 1165, 1732, 1864, 2165, 2330, 3464, 3728, 4330, 4660, 5825, 6928, 7456, 8660, 9320, 10825, 11650, 13856, 17320, 18640, 21650, 23300, 34640, 37280, 43300, 46600, 69280, 86600, 93200, 100889, 173200, 186400, 201778, 346400, 403556, 504445, 807112, 1008890, 1614224, 2017780, 2522225, 3228448, 4035560, 5044450, 8071120, 10088900, 16142240, 20177800, 40355600, 80711200]

約数ペア:

[(1, 80711200), (2, 40355600), (4, 20177800), (5, 16142240), (8, 10088900), (10, 8071120), (16, 5044450), (20, 4035560), (25, 3228448), (32, 2522225), (40, 2017780), (50, 1614224), (80, 1008890), (100, 807112), (160, 504445), (200, 403556), (233, 346400), (400, 201778), (433, 186400), (466, 173200), (800, 100889), (866, 93200), (932, 86600), (1165, 69280), (1732, 46600), (1864, 43300), (2165, 37280), (2330, 34640), (3464, 23300), (3728, 21650), (4330, 18640), (4660, 17320), (5825, 13856), (6928, 11650), (7456, 10825), (8660, 9320)]