80326925

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2898

約数の個数: 36

約数和(自身を含む): 120947616

約数和(自身を除く): 40620691

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 2851, 4025, 5635, 14255, 19957, 28175, 65573, 71275, 99785, 139699, 327865, 459011, 498925, 698495, 1639325, 2295055, 3213077, 3492475, 11475275, 16065385, 80326925]

約数ペア:

[(1, 80326925), (5, 16065385), (7, 11475275), (23, 3492475), (25, 3213077), (35, 2295055), (49, 1639325), (115, 698495), (161, 498925), (175, 459011), (245, 327865), (575, 139699), (805, 99785), (1127, 71275), (1225, 65573), (2851, 28175), (4025, 19957), (5635, 14255)]