64155650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 130069800

約数和(自身を除く): 65914150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 325, 445, 650, 890, 1109, 1157, 2218, 2225, 2314, 4450, 5545, 5785, 11090, 11570, 14417, 27725, 28834, 28925, 55450, 57850, 72085, 98701, 144170, 197402, 360425, 493505, 720850, 987010, 1283113, 2467525, 2566226, 4935050, 6415565, 12831130, 32077825, 64155650]

約数ペア:

[(1, 64155650), (2, 32077825), (5, 12831130), (10, 6415565), (13, 4935050), (25, 2566226), (26, 2467525), (50, 1283113), (65, 987010), (89, 720850), (130, 493505), (178, 360425), (325, 197402), (445, 144170), (650, 98701), (890, 72085), (1109, 57850), (1157, 55450), (2218, 28925), (2225, 28834), (2314, 27725), (4450, 14417), (5545, 11570), (5785, 11090)]