27600625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 40

約数和(自身を含む): 38487680

約数和(自身を除く): 10887055

約数列:

[1, 5, 13, 25, 43, 65, 79, 125, 215, 325, 395, 559, 625, 1027, 1075, 1625, 1975, 2795, 3397, 5135, 5375, 8125, 9875, 13975, 16985, 25675, 26875, 44161, 49375, 69875, 84925, 128375, 220805, 349375, 424625, 641875, 1104025, 2123125, 5520125, 27600625]

約数ペア:

[(1, 27600625), (5, 5520125), (13, 2123125), (25, 1104025), (43, 641875), (65, 424625), (79, 349375), (125, 220805), (215, 128375), (325, 84925), (395, 69875), (559, 49375), (625, 44161), (1027, 26875), (1075, 25675), (1625, 16985), (1975, 13975), (2795, 9875), (3397, 8125), (5135, 5375)]