40438996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 77310912

約数和(自身を除く): 36871916

約数列:

[1, 2, 4, 13, 26, 52, 163, 169, 326, 338, 367, 652, 676, 734, 1468, 2119, 4238, 4771, 8476, 9542, 19084, 27547, 55094, 59821, 62023, 110188, 119642, 124046, 239284, 248092, 777673, 1555346, 3110692, 10109749, 20219498, 40438996]

約数ペア:

[(1, 40438996), (2, 20219498), (4, 10109749), (13, 3110692), (26, 1555346), (52, 777673), (163, 248092), (169, 239284), (326, 124046), (338, 119642), (367, 110188), (652, 62023), (676, 59821), (734, 55094), (1468, 27547), (2119, 19084), (4238, 9542), (4771, 8476)]