15898985420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1\times {\mathrm{13399}}^1$

素因数の和:14238

約数の個数: 48

約数和(自身を含む): 33858048000

約数和(自身を除く): 17959062580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 751, 790, 1502, 1580, 3004, 3755, 7510, 13399, 15020, 26798, 53596, 59329, 66995, 118658, 133990, 237316, 267980, 296645, 593290, 1058521, 1186580, 2117042, 4234084, 5292605, 10062649, 10585210, 20125298, 21170420, 40250596, 50313245, 100626490, 201252980, 794949271, 1589898542, 3179797084, 3974746355, 7949492710, 15898985420]

約数ペア:

[(1, 15898985420), (2, 7949492710), (4, 3974746355), (5, 3179797084), (10, 1589898542), (20, 794949271), (79, 201252980), (158, 100626490), (316, 50313245), (395, 40250596), (751, 21170420), (790, 20125298), (1502, 10585210), (1580, 10062649), (3004, 5292605), (3755, 4234084), (7510, 2117042), (13399, 1186580), (15020, 1058521), (26798, 593290), (53596, 296645), (59329, 267980), (66995, 237316), (118658, 133990)]