172204880

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4229}}^1$

素因数の和:4751

約数の個数: 40

約数和(自身を含む): 401257800

約数和(自身を除く): 229052920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 4229, 5090, 8144, 8458, 10180, 16916, 20360, 21145, 33832, 40720, 42290, 67664, 84580, 169160, 338320, 2152561, 4305122, 8610244, 10762805, 17220488, 21525610, 34440976, 43051220, 86102440, 172204880]

約数ペア:

[(1, 172204880), (2, 86102440), (4, 43051220), (5, 34440976), (8, 21525610), (10, 17220488), (16, 10762805), (20, 8610244), (40, 4305122), (80, 2152561), (509, 338320), (1018, 169160), (2036, 84580), (2545, 67664), (4072, 42290), (4229, 40720), (5090, 33832), (8144, 21145), (8458, 20360), (10180, 16916)]