39242320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 99524880

約数和(自身を除く): 60282560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 389, 485, 520, 776, 778, 970, 1040, 1261, 1552, 1556, 1940, 1945, 2522, 3112, 3880, 3890, 5044, 5057, 6224, 6305, 7760, 7780, 10088, 10114, 12610, 15560, 20176, 20228, 25220, 25285, 31120, 37733, 40456, 50440, 50570, 75466, 80912, 100880, 101140, 150932, 188665, 202280, 301864, 377330, 404560, 490529, 603728, 754660, 981058, 1509320, 1962116, 2452645, 3018640, 3924232, 4905290, 7848464, 9810580, 19621160, 39242320]

約数ペア:

[(1, 39242320), (2, 19621160), (4, 9810580), (5, 7848464), (8, 4905290), (10, 3924232), (13, 3018640), (16, 2452645), (20, 1962116), (26, 1509320), (40, 981058), (52, 754660), (65, 603728), (80, 490529), (97, 404560), (104, 377330), (130, 301864), (194, 202280), (208, 188665), (260, 150932), (388, 101140), (389, 100880), (485, 80912), (520, 75466), (776, 50570), (778, 50440), (970, 40456), (1040, 37733), (1261, 31120), (1552, 25285), (1556, 25220), (1940, 20228), (1945, 20176), (2522, 15560), (3112, 12610), (3880, 10114), (3890, 10088), (5044, 7780), (5057, 7760), (6224, 6305)]