15981102800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3073289}}^1$

素因数の和:3073320

約数の個数: 60

約数和(自身を含む): 41348043660

約数和(自身を除く): 25366940860

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 3073289, 6146578, 12293156, 15366445, 24586312, 30732890, 39952757, 49172624, 61465780, 76832225, 79905514, 122931560, 153664450, 159811028, 199763785, 245863120, 307328900, 319622056, 399527570, 614657800, 639244112, 799055140, 998818925, 1229315600, 1598110280, 1997637850, 3196220560, 3995275700, 7990551400, 15981102800]

約数ペア:

[(1, 15981102800), (2, 7990551400), (4, 3995275700), (5, 3196220560), (8, 1997637850), (10, 1598110280), (13, 1229315600), (16, 998818925), (20, 799055140), (25, 639244112), (26, 614657800), (40, 399527570), (50, 319622056), (52, 307328900), (65, 245863120), (80, 199763785), (100, 159811028), (104, 153664450), (130, 122931560), (200, 79905514), (208, 76832225), (260, 61465780), (325, 49172624), (400, 39952757), (520, 30732890), (650, 24586312), (1040, 15366445), (1300, 12293156), (2600, 6146578), (5200, 3073289)]