40525940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3217

約数の個数: 72

約数和(自身を含む): 106647912

約数和(自身を除く): 66121972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3181, 3185, 6362, 6370, 12724, 12740, 15905, 22267, 31810, 41353, 44534, 63620, 82706, 89068, 111335, 155869, 165412, 206765, 222670, 289471, 311738, 413530, 445340, 578942, 623476, 779345, 827060, 1157884, 1447355, 1558690, 2026297, 2894710, 3117380, 4052594, 5789420, 8105188, 10131485, 20262970, 40525940]

約数ペア:

[(1, 40525940), (2, 20262970), (4, 10131485), (5, 8105188), (7, 5789420), (10, 4052594), (13, 3117380), (14, 2894710), (20, 2026297), (26, 1558690), (28, 1447355), (35, 1157884), (49, 827060), (52, 779345), (65, 623476), (70, 578942), (91, 445340), (98, 413530), (130, 311738), (140, 289471), (182, 222670), (196, 206765), (245, 165412), (260, 155869), (364, 111335), (455, 89068), (490, 82706), (637, 63620), (910, 44534), (980, 41353), (1274, 31810), (1820, 22267), (2548, 15905), (3181, 12740), (3185, 12724), (6362, 6370)]