40759420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 95921280

約数和(自身を除く): 55161860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 389, 403, 620, 676, 778, 806, 845, 1556, 1612, 1690, 1945, 2015, 3380, 3890, 4030, 5057, 5239, 7780, 8060, 10114, 10478, 12059, 20228, 20956, 24118, 25285, 26195, 48236, 50570, 52390, 60295, 65741, 101140, 104780, 120590, 131482, 156767, 241180, 262964, 313534, 328705, 627068, 657410, 783835, 1314820, 1567670, 2037971, 3135340, 4075942, 8151884, 10189855, 20379710, 40759420]

約数ペア:

[(1, 40759420), (2, 20379710), (4, 10189855), (5, 8151884), (10, 4075942), (13, 3135340), (20, 2037971), (26, 1567670), (31, 1314820), (52, 783835), (62, 657410), (65, 627068), (124, 328705), (130, 313534), (155, 262964), (169, 241180), (260, 156767), (310, 131482), (338, 120590), (389, 104780), (403, 101140), (620, 65741), (676, 60295), (778, 52390), (806, 50570), (845, 48236), (1556, 26195), (1612, 25285), (1690, 24118), (1945, 20956), (2015, 20228), (3380, 12059), (3890, 10478), (4030, 10114), (5057, 8060), (5239, 7780)]