40377872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 81518592

約数和(自身を除く): 41140720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 641, 1016, 1282, 2032, 2564, 3937, 5128, 7874, 10256, 15748, 19871, 31496, 39742, 62992, 79484, 81407, 158968, 162814, 317936, 325628, 651256, 1302512, 2523617, 5047234, 10094468, 20188936, 40377872]

約数ペア:

[(1, 40377872), (2, 20188936), (4, 10094468), (8, 5047234), (16, 2523617), (31, 1302512), (62, 651256), (124, 325628), (127, 317936), (248, 162814), (254, 158968), (496, 81407), (508, 79484), (641, 62992), (1016, 39742), (1282, 31496), (2032, 19871), (2564, 15748), (3937, 10256), (5128, 7874)]