39420680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 100177560

約数和(自身を除く): 60756880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 43, 52, 65, 82, 86, 104, 130, 164, 172, 205, 215, 260, 328, 344, 410, 430, 520, 533, 559, 820, 860, 1066, 1118, 1640, 1720, 1763, 1849, 2132, 2236, 2665, 2795, 3526, 3698, 4264, 4472, 5330, 5590, 7052, 7396, 8815, 9245, 10660, 11180, 14104, 14792, 17630, 18490, 21320, 22360, 22919, 24037, 35260, 36980, 45838, 48074, 70520, 73960, 75809, 91676, 96148, 114595, 120185, 151618, 183352, 192296, 229190, 240370, 303236, 379045, 458380, 480740, 606472, 758090, 916760, 961480, 985517, 1516180, 1971034, 3032360, 3942068, 4927585, 7884136, 9855170, 19710340, 39420680]

約数ペア:

[(1, 39420680), (2, 19710340), (4, 9855170), (5, 7884136), (8, 4927585), (10, 3942068), (13, 3032360), (20, 1971034), (26, 1516180), (40, 985517), (41, 961480), (43, 916760), (52, 758090), (65, 606472), (82, 480740), (86, 458380), (104, 379045), (130, 303236), (164, 240370), (172, 229190), (205, 192296), (215, 183352), (260, 151618), (328, 120185), (344, 114595), (410, 96148), (430, 91676), (520, 75809), (533, 73960), (559, 70520), (820, 48074), (860, 45838), (1066, 36980), (1118, 35260), (1640, 24037), (1720, 22919), (1763, 22360), (1849, 21320), (2132, 18490), (2236, 17630), (2665, 14792), (2795, 14104), (3526, 11180), (3698, 10660), (4264, 9245), (4472, 8815), (5330, 7396), (5590, 7052)]