66097720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1712

約数の個数: 64

約数和(自身を含む): 162288000

約数和(自身を除く): 96190280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 1609, 2054, 3160, 3218, 4108, 5135, 6436, 8045, 8216, 10270, 12872, 16090, 20540, 20917, 32180, 41080, 41834, 64360, 83668, 104585, 127111, 167336, 209170, 254222, 418340, 508444, 635555, 836680, 1016888, 1271110, 1652443, 2542220, 3304886, 5084440, 6609772, 8262215, 13219544, 16524430, 33048860, 66097720]

約数ペア:

[(1, 66097720), (2, 33048860), (4, 16524430), (5, 13219544), (8, 8262215), (10, 6609772), (13, 5084440), (20, 3304886), (26, 2542220), (40, 1652443), (52, 1271110), (65, 1016888), (79, 836680), (104, 635555), (130, 508444), (158, 418340), (260, 254222), (316, 209170), (395, 167336), (520, 127111), (632, 104585), (790, 83668), (1027, 64360), (1580, 41834), (1609, 41080), (2054, 32180), (3160, 20917), (3218, 20540), (4108, 16090), (5135, 12872), (6436, 10270), (8045, 8216)]