64124600

素因数分解:

$2^3\times 5^2\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 149622120

約数和(自身を除く): 85497520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 491, 653, 982, 1306, 1964, 2455, 2612, 3265, 3928, 4910, 5224, 6530, 9820, 12275, 13060, 16325, 19640, 24550, 26120, 32650, 49100, 65300, 98200, 130600, 320623, 641246, 1282492, 1603115, 2564984, 3206230, 6412460, 8015575, 12824920, 16031150, 32062300, 64124600]

約数ペア:

[(1, 64124600), (2, 32062300), (4, 16031150), (5, 12824920), (8, 8015575), (10, 6412460), (20, 3206230), (25, 2564984), (40, 1603115), (50, 1282492), (100, 641246), (200, 320623), (491, 130600), (653, 98200), (982, 65300), (1306, 49100), (1964, 32650), (2455, 26120), (2612, 24550), (3265, 19640), (3928, 16325), (4910, 13060), (5224, 12275), (6530, 9820)]