51602920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 119964240

約数和(自身を除く): 68361320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 202, 212, 241, 265, 404, 424, 482, 505, 530, 808, 964, 1010, 1060, 1205, 1928, 2020, 2120, 2410, 4040, 4820, 5353, 9640, 10706, 12773, 21412, 24341, 25546, 26765, 42824, 48682, 51092, 53530, 63865, 97364, 102184, 107060, 121705, 127730, 194728, 214120, 243410, 255460, 486820, 510920, 973640, 1290073, 2580146, 5160292, 6450365, 10320584, 12900730, 25801460, 51602920]

約数ペア:

[(1, 51602920), (2, 25801460), (4, 12900730), (5, 10320584), (8, 6450365), (10, 5160292), (20, 2580146), (40, 1290073), (53, 973640), (101, 510920), (106, 486820), (202, 255460), (212, 243410), (241, 214120), (265, 194728), (404, 127730), (424, 121705), (482, 107060), (505, 102184), (530, 97364), (808, 63865), (964, 53530), (1010, 51092), (1060, 48682), (1205, 42824), (1928, 26765), (2020, 25546), (2120, 24341), (2410, 21412), (4040, 12773), (4820, 10706), (5353, 9640)]