201639880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1609}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 490921200

約数和(自身を除く): 289281320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 964, 1205, 1609, 1928, 2410, 3133, 3218, 4820, 6266, 6436, 8045, 9640, 12532, 12872, 15665, 16090, 20917, 25064, 31330, 32180, 41834, 62660, 64360, 83668, 104585, 125320, 167336, 209170, 387769, 418340, 775538, 836680, 1551076, 1938845, 3102152, 3877690, 5040997, 7755380, 10081994, 15510760, 20163988, 25204985, 40327976, 50409970, 100819940, 201639880]

約数ペア:

[(1, 201639880), (2, 100819940), (4, 50409970), (5, 40327976), (8, 25204985), (10, 20163988), (13, 15510760), (20, 10081994), (26, 7755380), (40, 5040997), (52, 3877690), (65, 3102152), (104, 1938845), (130, 1551076), (241, 836680), (260, 775538), (482, 418340), (520, 387769), (964, 209170), (1205, 167336), (1609, 125320), (1928, 104585), (2410, 83668), (3133, 64360), (3218, 62660), (4820, 41834), (6266, 32180), (6436, 31330), (8045, 25064), (9640, 20917), (12532, 16090), (12872, 15665)]