40308424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20399}}^1$

素因数の和:20437

約数の個数: 32

約数和(自身を含む): 85680000

約数和(自身を除く): 45371576

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20399, 40798, 81596, 163192, 265187, 387581, 530374, 775162, 1060748, 1550324, 2121496, 3100648, 5038553, 10077106, 20154212, 40308424]

約数ペア:

[(1, 40308424), (2, 20154212), (4, 10077106), (8, 5038553), (13, 3100648), (19, 2121496), (26, 1550324), (38, 1060748), (52, 775162), (76, 530374), (104, 387581), (152, 265187), (247, 163192), (494, 81596), (988, 40798), (1976, 20399)]