40496680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2371}}^1$

素因数の和:2450

約数の個数: 64

約数和(自身を含む): 105886080

約数和(自身を除く): 65389400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2371, 2440, 3416, 4270, 4742, 8540, 9484, 11855, 16597, 17080, 18968, 23710, 33194, 47420, 66388, 82985, 94840, 132776, 144631, 165970, 289262, 331940, 578524, 663880, 723155, 1012417, 1157048, 1446310, 2024834, 2892620, 4049668, 5062085, 5785240, 8099336, 10124170, 20248340, 40496680]

約数ペア:

[(1, 40496680), (2, 20248340), (4, 10124170), (5, 8099336), (7, 5785240), (8, 5062085), (10, 4049668), (14, 2892620), (20, 2024834), (28, 1446310), (35, 1157048), (40, 1012417), (56, 723155), (61, 663880), (70, 578524), (122, 331940), (140, 289262), (244, 165970), (280, 144631), (305, 132776), (427, 94840), (488, 82985), (610, 66388), (854, 47420), (1220, 33194), (1708, 23710), (2135, 18968), (2371, 17080), (2440, 16597), (3416, 11855), (4270, 9484), (4742, 8540)]