68189420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1609}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 155255520

約数和(自身を除く): 87066100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1609, 1630, 2119, 3218, 3260, 4238, 6436, 8045, 8476, 10595, 16090, 20917, 21190, 32180, 41834, 42380, 83668, 104585, 209170, 262267, 418340, 524534, 1049068, 1311335, 2622670, 3409471, 5245340, 6818942, 13637884, 17047355, 34094710, 68189420]

約数ペア:

[(1, 68189420), (2, 34094710), (4, 17047355), (5, 13637884), (10, 6818942), (13, 5245340), (20, 3409471), (26, 2622670), (52, 1311335), (65, 1049068), (130, 524534), (163, 418340), (260, 262267), (326, 209170), (652, 104585), (815, 83668), (1609, 42380), (1630, 41834), (2119, 32180), (3218, 21190), (3260, 20917), (4238, 16090), (6436, 10595), (8045, 8476)]