22765000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 55529100

約数和(自身を除く): 32764100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 157, 200, 232, 250, 290, 314, 500, 580, 625, 628, 725, 785, 1000, 1160, 1250, 1256, 1450, 1570, 2500, 2900, 3140, 3625, 3925, 4553, 5000, 5800, 6280, 7250, 7850, 9106, 14500, 15700, 18125, 18212, 19625, 22765, 29000, 31400, 36250, 36424, 39250, 45530, 72500, 78500, 91060, 98125, 113825, 145000, 157000, 182120, 196250, 227650, 392500, 455300, 569125, 785000, 910600, 1138250, 2276500, 2845625, 4553000, 5691250, 11382500, 22765000]

約数ペア:

[(1, 22765000), (2, 11382500), (4, 5691250), (5, 4553000), (8, 2845625), (10, 2276500), (20, 1138250), (25, 910600), (29, 785000), (40, 569125), (50, 455300), (58, 392500), (100, 227650), (116, 196250), (125, 182120), (145, 157000), (157, 145000), (200, 113825), (232, 98125), (250, 91060), (290, 78500), (314, 72500), (500, 45530), (580, 39250), (625, 36424), (628, 36250), (725, 31400), (785, 29000), (1000, 22765), (1160, 19625), (1250, 18212), (1256, 18125), (1450, 15700), (1570, 14500), (2500, 9106), (2900, 7850), (3140, 7250), (3625, 6280), (3925, 5800), (4553, 5000)]