25475780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 59742144

約数和(自身を除く): 34266364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 2693, 4730, 5386, 9460, 10772, 13465, 26930, 29623, 53860, 59246, 115799, 118492, 148115, 231598, 296230, 463196, 578995, 592460, 1157990, 1273789, 2315980, 2547578, 5095156, 6368945, 12737890, 25475780]

約数ペア:

[(1, 25475780), (2, 12737890), (4, 6368945), (5, 5095156), (10, 2547578), (11, 2315980), (20, 1273789), (22, 1157990), (43, 592460), (44, 578995), (55, 463196), (86, 296230), (110, 231598), (172, 148115), (215, 118492), (220, 115799), (430, 59246), (473, 53860), (860, 29623), (946, 26930), (1892, 13465), (2365, 10772), (2693, 9460), (4730, 5386)]