16621840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1201}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 38901528

約数和(自身を除く): 22279688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1201, 1384, 1730, 2402, 2768, 3460, 4804, 6005, 6920, 9608, 12010, 13840, 19216, 24020, 48040, 96080, 207773, 415546, 831092, 1038865, 1662184, 2077730, 3324368, 4155460, 8310920, 16621840]

約数ペア:

[(1, 16621840), (2, 8310920), (4, 4155460), (5, 3324368), (8, 2077730), (10, 1662184), (16, 1038865), (20, 831092), (40, 415546), (80, 207773), (173, 96080), (346, 48040), (692, 24020), (865, 19216), (1201, 13840), (1384, 12010), (1730, 9608), (2402, 6920), (2768, 6005), (3460, 4804)]