15974680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6547}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 36537840

約数和(自身を除く): 20563160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6547, 13094, 26188, 32735, 52376, 65470, 130940, 261880, 399367, 798734, 1597468, 1996835, 3194936, 3993670, 7987340, 15974680]

約数ペア:

[(1, 15974680), (2, 7987340), (4, 3993670), (5, 3194936), (8, 1996835), (10, 1597468), (20, 798734), (40, 399367), (61, 261880), (122, 130940), (244, 65470), (305, 52376), (488, 32735), (610, 26188), (1220, 13094), (2440, 6547)]