49207777840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{105379}}^1$

素因数の和:105854

約数の個数: 80

約数和(自身を含む): 123484284000

約数和(自身を除く): 74276506160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 449, 520, 898, 1040, 1796, 2245, 3592, 4490, 5837, 7184, 8980, 11674, 17960, 23348, 29185, 35920, 46696, 58370, 93392, 105379, 116740, 210758, 233480, 421516, 466960, 526895, 843032, 1053790, 1369927, 1686064, 2107580, 2739854, 4215160, 5479708, 6849635, 8430320, 10959416, 13699270, 21918832, 27398540, 47315171, 54797080, 94630342, 109594160, 189260684, 236575855, 378521368, 473151710, 615097223, 757042736, 946303420, 1230194446, 1892606840, 2460388892, 3075486115, 3785213680, 4920777784, 6150972230, 9841555568, 12301944460, 24603888920, 49207777840]

約数ペア:

[(1, 49207777840), (2, 24603888920), (4, 12301944460), (5, 9841555568), (8, 6150972230), (10, 4920777784), (13, 3785213680), (16, 3075486115), (20, 2460388892), (26, 1892606840), (40, 1230194446), (52, 946303420), (65, 757042736), (80, 615097223), (104, 473151710), (130, 378521368), (208, 236575855), (260, 189260684), (449, 109594160), (520, 94630342), (898, 54797080), (1040, 47315171), (1796, 27398540), (2245, 21918832), (3592, 13699270), (4490, 10959416), (5837, 8430320), (7184, 6849635), (8980, 5479708), (11674, 4215160), (17960, 2739854), (23348, 2107580), (29185, 1686064), (35920, 1369927), (46696, 1053790), (58370, 843032), (93392, 526895), (105379, 466960), (116740, 421516), (210758, 233480)]