130523920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2072

約数の個数: 80

約数和(自身を含む): 327032640

約数和(自身を除く): 196508720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 1997, 3268, 3440, 3994, 4085, 6536, 7988, 8170, 9985, 13072, 15976, 16340, 19970, 31952, 32680, 37943, 39940, 65360, 75886, 79880, 85871, 151772, 159760, 171742, 189715, 303544, 343484, 379430, 429355, 607088, 686968, 758860, 858710, 1373936, 1517720, 1631549, 1717420, 3035440, 3263098, 3434840, 6526196, 6869680, 8157745, 13052392, 16315490, 26104784, 32630980, 65261960, 130523920]

約数ペア:

[(1, 130523920), (2, 65261960), (4, 32630980), (5, 26104784), (8, 16315490), (10, 13052392), (16, 8157745), (19, 6869680), (20, 6526196), (38, 3434840), (40, 3263098), (43, 3035440), (76, 1717420), (80, 1631549), (86, 1517720), (95, 1373936), (152, 858710), (172, 758860), (190, 686968), (215, 607088), (304, 429355), (344, 379430), (380, 343484), (430, 303544), (688, 189715), (760, 171742), (817, 159760), (860, 151772), (1520, 85871), (1634, 79880), (1720, 75886), (1997, 65360), (3268, 39940), (3440, 37943), (3994, 32680), (4085, 31952), (6536, 19970), (7988, 16340), (8170, 15976), (9985, 13072)]