27976280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 67184640

約数和(自身を除く): 39208360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 647, 920, 940, 1081, 1294, 1880, 2162, 2588, 3235, 4324, 5176, 5405, 6470, 8648, 10810, 12940, 14881, 21620, 25880, 29762, 30409, 43240, 59524, 60818, 74405, 119048, 121636, 148810, 152045, 243272, 297620, 304090, 595240, 608180, 699407, 1216360, 1398814, 2797628, 3497035, 5595256, 6994070, 13988140, 27976280]

約数ペア:

[(1, 27976280), (2, 13988140), (4, 6994070), (5, 5595256), (8, 3497035), (10, 2797628), (20, 1398814), (23, 1216360), (40, 699407), (46, 608180), (47, 595240), (92, 304090), (94, 297620), (115, 243272), (184, 152045), (188, 148810), (230, 121636), (235, 119048), (376, 74405), (460, 60818), (470, 59524), (647, 43240), (920, 30409), (940, 29762), (1081, 25880), (1294, 21620), (1880, 14881), (2162, 12940), (2588, 10810), (3235, 8648), (4324, 6470), (5176, 5405)]