20138593100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{68897}}^1$

素因数の和:69027

約数の個数: 72

約数和(自身を含む): 45450632640

約数和(自身を除く): 25312039540

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 79, 100, 148, 158, 185, 316, 370, 395, 740, 790, 925, 1580, 1850, 1975, 2923, 3700, 3950, 5846, 7900, 11692, 14615, 29230, 58460, 68897, 73075, 137794, 146150, 275588, 292300, 344485, 688970, 1377940, 1722425, 2549189, 3444850, 5098378, 5442863, 6889700, 10196756, 10885726, 12745945, 21771452, 25491890, 27214315, 50983780, 54428630, 63729725, 108857260, 127459450, 136071575, 201385931, 254918900, 272143150, 402771862, 544286300, 805543724, 1006929655, 2013859310, 4027718620, 5034648275, 10069296550, 20138593100]

約数ペア:

[(1, 20138593100), (2, 10069296550), (4, 5034648275), (5, 4027718620), (10, 2013859310), (20, 1006929655), (25, 805543724), (37, 544286300), (50, 402771862), (74, 272143150), (79, 254918900), (100, 201385931), (148, 136071575), (158, 127459450), (185, 108857260), (316, 63729725), (370, 54428630), (395, 50983780), (740, 27214315), (790, 25491890), (925, 21771452), (1580, 12745945), (1850, 10885726), (1975, 10196756), (2923, 6889700), (3700, 5442863), (3950, 5098378), (5846, 3444850), (7900, 2549189), (11692, 1722425), (14615, 1377940), (29230, 688970), (58460, 344485), (68897, 292300), (73075, 275588), (137794, 146150)]