25821570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 40274430

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 89, 95, 114, 178, 190, 267, 285, 445, 509, 534, 570, 890, 1018, 1335, 1527, 1691, 2545, 2670, 3054, 3382, 5073, 5090, 7635, 8455, 9671, 10146, 15270, 16910, 19342, 25365, 29013, 45301, 48355, 50730, 58026, 90602, 96710, 135903, 145065, 226505, 271806, 290130, 453010, 679515, 860719, 1359030, 1721438, 2582157, 4303595, 5164314, 8607190, 12910785, 25821570]

約数ペア:

[(1, 25821570), (2, 12910785), (3, 8607190), (5, 5164314), (6, 4303595), (10, 2582157), (15, 1721438), (19, 1359030), (30, 860719), (38, 679515), (57, 453010), (89, 290130), (95, 271806), (114, 226505), (178, 145065), (190, 135903), (267, 96710), (285, 90602), (445, 58026), (509, 50730), (534, 48355), (570, 45301), (890, 29013), (1018, 25365), (1335, 19342), (1527, 16910), (1691, 15270), (2545, 10146), (2670, 9671), (3054, 8455), (3382, 7635), (5073, 5090)]