40505140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3623}}^1$

素因数の和:3688

約数の個数: 48

約数和(自身を含む): 93760128

約数和(自身を除く): 53254988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 3623, 5590, 7246, 11180, 14492, 18115, 36230, 47099, 72460, 94198, 155789, 188396, 235495, 311578, 470990, 623156, 778945, 941980, 1557890, 2025257, 3115780, 4050514, 8101028, 10126285, 20252570, 40505140]

約数ペア:

[(1, 40505140), (2, 20252570), (4, 10126285), (5, 8101028), (10, 4050514), (13, 3115780), (20, 2025257), (26, 1557890), (43, 941980), (52, 778945), (65, 623156), (86, 470990), (130, 311578), (172, 235495), (215, 188396), (260, 155789), (430, 94198), (559, 72460), (860, 47099), (1118, 36230), (2236, 18115), (2795, 14492), (3623, 11180), (5590, 7246)]