38178680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15647}}^1$

素因数の和:15719

約数の個数: 32

約数和(自身を含む): 87315840

約数和(自身を除く): 49137160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15647, 31294, 62588, 78235, 125176, 156470, 312940, 625880, 954467, 1908934, 3817868, 4772335, 7635736, 9544670, 19089340, 38178680]

約数ペア:

[(1, 38178680), (2, 19089340), (4, 9544670), (5, 7635736), (8, 4772335), (10, 3817868), (20, 1908934), (40, 954467), (61, 625880), (122, 312940), (244, 156470), (305, 125176), (488, 78235), (610, 62588), (1220, 31294), (2440, 15647)]