18849666160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{37217}}^1$

素因数の和:37730

約数の個数: 80

約数和(自身を含む): 47294847936

約数和(自身を除く): 28445181776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 487, 520, 974, 1040, 1948, 2435, 3896, 4870, 6331, 7792, 9740, 12662, 19480, 25324, 31655, 37217, 38960, 50648, 63310, 74434, 101296, 126620, 148868, 186085, 253240, 297736, 372170, 483821, 506480, 595472, 744340, 967642, 1488680, 1935284, 2419105, 2977360, 3870568, 4838210, 7741136, 9676420, 18124679, 19352840, 36249358, 38705680, 72498716, 90623395, 144997432, 181246790, 235620827, 289994864, 362493580, 471241654, 724987160, 942483308, 1178104135, 1449974320, 1884966616, 2356208270, 3769933232, 4712416540, 9424833080, 18849666160]

約数ペア:

[(1, 18849666160), (2, 9424833080), (4, 4712416540), (5, 3769933232), (8, 2356208270), (10, 1884966616), (13, 1449974320), (16, 1178104135), (20, 942483308), (26, 724987160), (40, 471241654), (52, 362493580), (65, 289994864), (80, 235620827), (104, 181246790), (130, 144997432), (208, 90623395), (260, 72498716), (487, 38705680), (520, 36249358), (974, 19352840), (1040, 18124679), (1948, 9676420), (2435, 7741136), (3896, 4838210), (4870, 3870568), (6331, 2977360), (7792, 2419105), (9740, 1935284), (12662, 1488680), (19480, 967642), (25324, 744340), (31655, 595472), (37217, 506480), (38960, 483821), (50648, 372170), (63310, 297736), (74434, 253240), (101296, 186085), (126620, 148868)]