20565153500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{8231}}^1$

素因数の和:8532

約数の個数: 96

約数和(自身を含む): 47463736320

約数和(自身を除く): 26898582820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 263, 380, 475, 500, 526, 950, 1052, 1315, 1900, 2375, 2630, 4750, 4997, 5260, 6575, 8231, 9500, 9994, 13150, 16462, 19988, 24985, 26300, 32875, 32924, 41155, 49970, 65750, 82310, 99940, 124925, 131500, 156389, 164620, 205775, 249850, 312778, 411550, 499700, 624625, 625556, 781945, 823100, 1028875, 1249250, 1563890, 2057750, 2164753, 2498500, 3127780, 3909725, 4115500, 4329506, 7819450, 8659012, 10823765, 15638900, 19548625, 21647530, 39097250, 41130307, 43295060, 54118825, 78194500, 82260614, 108237650, 164521228, 205651535, 216475300, 270594125, 411303070, 541188250, 822606140, 1028257675, 1082376500, 2056515350, 4113030700, 5141288375, 10282576750, 20565153500]

約数ペア:

[(1, 20565153500), (2, 10282576750), (4, 5141288375), (5, 4113030700), (10, 2056515350), (19, 1082376500), (20, 1028257675), (25, 822606140), (38, 541188250), (50, 411303070), (76, 270594125), (95, 216475300), (100, 205651535), (125, 164521228), (190, 108237650), (250, 82260614), (263, 78194500), (380, 54118825), (475, 43295060), (500, 41130307), (526, 39097250), (950, 21647530), (1052, 19548625), (1315, 15638900), (1900, 10823765), (2375, 8659012), (2630, 7819450), (4750, 4329506), (4997, 4115500), (5260, 3909725), (6575, 3127780), (8231, 2498500), (9500, 2164753), (9994, 2057750), (13150, 1563890), (16462, 1249250), (19988, 1028875), (24985, 823100), (26300, 781945), (32875, 625556), (32924, 624625), (41155, 499700), (49970, 411550), (65750, 312778), (82310, 249850), (99940, 205775), (124925, 164620), (131500, 156389)]