66386840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3036

約数の個数: 64

約数和(自身を含む): 164656800

約数和(自身を除く): 98269960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 2969, 4472, 5590, 5938, 11180, 11876, 14845, 22360, 23752, 29690, 38597, 59380, 77194, 118760, 127667, 154388, 192985, 255334, 308776, 385970, 510668, 638335, 771940, 1021336, 1276670, 1543880, 1659671, 2553340, 3319342, 5106680, 6638684, 8298355, 13277368, 16596710, 33193420, 66386840]

約数ペア:

[(1, 66386840), (2, 33193420), (4, 16596710), (5, 13277368), (8, 8298355), (10, 6638684), (13, 5106680), (20, 3319342), (26, 2553340), (40, 1659671), (43, 1543880), (52, 1276670), (65, 1021336), (86, 771940), (104, 638335), (130, 510668), (172, 385970), (215, 308776), (260, 255334), (344, 192985), (430, 154388), (520, 127667), (559, 118760), (860, 77194), (1118, 59380), (1720, 38597), (2236, 29690), (2795, 23752), (2969, 22360), (4472, 14845), (5590, 11876), (5938, 11180)]