28066325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 43806720

約数和(自身を除く): 15740395

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 133, 161, 175, 367, 437, 475, 575, 665, 805, 1835, 2185, 2569, 3059, 3325, 4025, 6973, 8441, 9175, 10925, 12845, 15295, 34865, 42205, 48811, 59087, 64225, 76475, 160379, 174325, 211025, 244055, 295435, 801895, 1122653, 1220275, 1477175, 4009475, 5613265, 28066325]

約数ペア:

[(1, 28066325), (5, 5613265), (7, 4009475), (19, 1477175), (23, 1220275), (25, 1122653), (35, 801895), (95, 295435), (115, 244055), (133, 211025), (161, 174325), (175, 160379), (367, 76475), (437, 64225), (475, 59087), (575, 48811), (665, 42205), (805, 34865), (1835, 15295), (2185, 12845), (2569, 10925), (3059, 9175), (3325, 8441), (4025, 6973)]