25977320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7297}}^1$

素因数の和:7397

約数の個数: 32

約数和(自身を含む): 59113800

約数和(自身を除く): 33136480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7297, 14594, 29188, 36485, 58376, 72970, 145940, 291880, 649433, 1298866, 2597732, 3247165, 5195464, 6494330, 12988660, 25977320]

約数ペア:

[(1, 25977320), (2, 12988660), (4, 6494330), (5, 5195464), (8, 3247165), (10, 2597732), (20, 1298866), (40, 649433), (89, 291880), (178, 145940), (356, 72970), (445, 58376), (712, 36485), (890, 29188), (1780, 14594), (3560, 7297)]