89692420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 195274800

約数和(自身を除く): 105582380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1229, 1780, 2458, 3649, 4916, 6145, 7298, 12290, 14596, 18245, 24580, 36490, 50389, 72980, 100778, 109381, 201556, 218762, 251945, 437524, 503890, 546905, 1007780, 1093810, 2187620, 4484621, 8969242, 17938484, 22423105, 44846210, 89692420]

約数ペア:

[(1, 89692420), (2, 44846210), (4, 22423105), (5, 17938484), (10, 8969242), (20, 4484621), (41, 2187620), (82, 1093810), (89, 1007780), (164, 546905), (178, 503890), (205, 437524), (356, 251945), (410, 218762), (445, 201556), (820, 109381), (890, 100778), (1229, 72980), (1780, 50389), (2458, 36490), (3649, 24580), (4916, 18245), (6145, 14596), (7298, 12290)]