66854840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 164052000

約数和(自身を除く): 97197160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1549, 1660, 2158, 3098, 3320, 4316, 5395, 6196, 7745, 8632, 10790, 12392, 15490, 20137, 21580, 30980, 40274, 43160, 61960, 80548, 100685, 128567, 161096, 201370, 257134, 402740, 514268, 642835, 805480, 1028536, 1285670, 1671371, 2571340, 3342742, 5142680, 6685484, 8356855, 13370968, 16713710, 33427420, 66854840]

約数ペア:

[(1, 66854840), (2, 33427420), (4, 16713710), (5, 13370968), (8, 8356855), (10, 6685484), (13, 5142680), (20, 3342742), (26, 2571340), (40, 1671371), (52, 1285670), (65, 1028536), (83, 805480), (104, 642835), (130, 514268), (166, 402740), (260, 257134), (332, 201370), (415, 161096), (520, 128567), (664, 100685), (830, 80548), (1079, 61960), (1549, 43160), (1660, 40274), (2158, 30980), (3098, 21580), (3320, 20137), (4316, 15490), (5395, 12392), (6196, 10790), (7745, 8632)]