87815704820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1\times {\mathrm{90121}}^1$

素因数の和:90800

約数の個数: 48

約数和(自身を含む): 186954844608

約数和(自身を除く): 99139139788

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 587, 830, 1174, 1660, 2348, 2935, 5870, 11740, 48721, 90121, 97442, 180242, 194884, 243605, 360484, 450605, 487210, 901210, 974420, 1802420, 7480043, 14960086, 29920172, 37400215, 52901027, 74800430, 105802054, 149600860, 211604108, 264505135, 529010270, 1058020540, 4390785241, 8781570482, 17563140964, 21953926205, 43907852410, 87815704820]

約数ペア:

[(1, 87815704820), (2, 43907852410), (4, 21953926205), (5, 17563140964), (10, 8781570482), (20, 4390785241), (83, 1058020540), (166, 529010270), (332, 264505135), (415, 211604108), (587, 149600860), (830, 105802054), (1174, 74800430), (1660, 52901027), (2348, 37400215), (2935, 29920172), (5870, 14960086), (11740, 7480043), (48721, 1802420), (90121, 974420), (97442, 901210), (180242, 487210), (194884, 450605), (243605, 360484)]