13381600

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 33513480

約数和(自身を除く): 20131880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 389, 400, 430, 688, 778, 800, 860, 1075, 1376, 1556, 1720, 1945, 2150, 3112, 3440, 3890, 4300, 6224, 6880, 7780, 8600, 9725, 12448, 15560, 16727, 17200, 19450, 31120, 33454, 34400, 38900, 62240, 66908, 77800, 83635, 133816, 155600, 167270, 267632, 311200, 334540, 418175, 535264, 669080, 836350, 1338160, 1672700, 2676320, 3345400, 6690800, 13381600]

約数ペア:

[(1, 13381600), (2, 6690800), (4, 3345400), (5, 2676320), (8, 1672700), (10, 1338160), (16, 836350), (20, 669080), (25, 535264), (32, 418175), (40, 334540), (43, 311200), (50, 267632), (80, 167270), (86, 155600), (100, 133816), (160, 83635), (172, 77800), (200, 66908), (215, 62240), (344, 38900), (389, 34400), (400, 33454), (430, 31120), (688, 19450), (778, 17200), (800, 16727), (860, 15560), (1075, 12448), (1376, 9725), (1556, 8600), (1720, 7780), (1945, 6880), (2150, 6224), (3112, 4300), (3440, 3890)]