7938320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 21092400

約数和(自身を除く): 13154080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 449, 520, 680, 884, 898, 1040, 1105, 1360, 1768, 1796, 2210, 2245, 3536, 3592, 4420, 4490, 5837, 7184, 7633, 8840, 8980, 11674, 15266, 17680, 17960, 23348, 29185, 30532, 35920, 38165, 46696, 58370, 61064, 76330, 93392, 99229, 116740, 122128, 152660, 198458, 233480, 305320, 396916, 466960, 496145, 610640, 793832, 992290, 1587664, 1984580, 3969160, 7938320]

約数ペア:

[(1, 7938320), (2, 3969160), (4, 1984580), (5, 1587664), (8, 992290), (10, 793832), (13, 610640), (16, 496145), (17, 466960), (20, 396916), (26, 305320), (34, 233480), (40, 198458), (52, 152660), (65, 122128), (68, 116740), (80, 99229), (85, 93392), (104, 76330), (130, 61064), (136, 58370), (170, 46696), (208, 38165), (221, 35920), (260, 30532), (272, 29185), (340, 23348), (442, 17960), (449, 17680), (520, 15266), (680, 11674), (884, 8980), (898, 8840), (1040, 7633), (1105, 7184), (1360, 5837), (1768, 4490), (1796, 4420), (2210, 3592), (2245, 3536)]