51654220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 116769744

約数和(自身を除く): 65115524

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 83, 116, 145, 148, 166, 185, 290, 332, 370, 415, 580, 740, 830, 841, 1073, 1660, 1682, 2146, 2407, 3071, 3364, 4205, 4292, 4814, 5365, 6142, 8410, 9628, 10730, 12035, 12284, 15355, 16820, 21460, 24070, 30710, 31117, 48140, 61420, 62234, 69803, 89059, 124468, 139606, 155585, 178118, 279212, 311170, 349015, 356236, 445295, 622340, 698030, 890590, 1396060, 1781180, 2582711, 5165422, 10330844, 12913555, 25827110, 51654220]

約数ペア:

[(1, 51654220), (2, 25827110), (4, 12913555), (5, 10330844), (10, 5165422), (20, 2582711), (29, 1781180), (37, 1396060), (58, 890590), (74, 698030), (83, 622340), (116, 445295), (145, 356236), (148, 349015), (166, 311170), (185, 279212), (290, 178118), (332, 155585), (370, 139606), (415, 124468), (580, 89059), (740, 69803), (830, 62234), (841, 61420), (1073, 48140), (1660, 31117), (1682, 30710), (2146, 24070), (2407, 21460), (3071, 16820), (3364, 15355), (4205, 12284), (4292, 12035), (4814, 10730), (5365, 9628), (6142, 8410)]