19951840

素因数分解:

$2^5\times 5^1\times {\mathrm{124699}}^1$

素因数の和:124714

約数の個数: 24

約数和(自身を含む): 47136600

約数和(自身を除く): 27184760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124699, 249398, 498796, 623495, 997592, 1246990, 1995184, 2493980, 3990368, 4987960, 9975920, 19951840]

約数ペア:

[(1, 19951840), (2, 9975920), (4, 4987960), (5, 3990368), (8, 2493980), (10, 1995184), (16, 1246990), (20, 997592), (32, 623495), (40, 498796), (80, 249398), (160, 124699)]