25280200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11491}}^1$

素因数の和:11518

約数の個数: 48

約数和(自身を含む): 64125360

約数和(自身を除く): 38845160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 11491, 22982, 45964, 57455, 91928, 114910, 126401, 229820, 252802, 287275, 459640, 505604, 574550, 632005, 1011208, 1149100, 1264010, 2298200, 2528020, 3160025, 5056040, 6320050, 12640100, 25280200]

約数ペア:

[(1, 25280200), (2, 12640100), (4, 6320050), (5, 5056040), (8, 3160025), (10, 2528020), (11, 2298200), (20, 1264010), (22, 1149100), (25, 1011208), (40, 632005), (44, 574550), (50, 505604), (55, 459640), (88, 287275), (100, 252802), (110, 229820), (200, 126401), (220, 114910), (275, 91928), (440, 57455), (550, 45964), (1100, 22982), (2200, 11491)]