27628900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 65948904

約数和(自身を除く): 38320004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 401, 530, 650, 689, 802, 1060, 1300, 1325, 1378, 1604, 2005, 2650, 2756, 3445, 4010, 5213, 5300, 6890, 8020, 10025, 10426, 13780, 17225, 20050, 20852, 21253, 26065, 34450, 40100, 42506, 52130, 68900, 85012, 104260, 106265, 130325, 212530, 260650, 276289, 425060, 521300, 531325, 552578, 1062650, 1105156, 1381445, 2125300, 2762890, 5525780, 6907225, 13814450, 27628900]

約数ペア:

[(1, 27628900), (2, 13814450), (4, 6907225), (5, 5525780), (10, 2762890), (13, 2125300), (20, 1381445), (25, 1105156), (26, 1062650), (50, 552578), (52, 531325), (53, 521300), (65, 425060), (100, 276289), (106, 260650), (130, 212530), (212, 130325), (260, 106265), (265, 104260), (325, 85012), (401, 68900), (530, 52130), (650, 42506), (689, 40100), (802, 34450), (1060, 26065), (1300, 21253), (1325, 20852), (1378, 20050), (1604, 17225), (2005, 13780), (2650, 10426), (2756, 10025), (3445, 8020), (4010, 6890), (5213, 5300)]