1304511200

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{20641}}^1$

素因数の和:20740

約数の個数: 72

約数和(自身を含む): 3225106080

約数和(自身を除く): 1920594880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2528, 3160, 3950, 6320, 7900, 12640, 15800, 20641, 31600, 41282, 63200, 82564, 103205, 165128, 206410, 330256, 412820, 516025, 660512, 825640, 1032050, 1630639, 1651280, 2064100, 3261278, 3302560, 4128200, 6522556, 8153195, 8256400, 13045112, 16306390, 16512800, 26090224, 32612780, 40765975, 52180448, 65225560, 81531950, 130451120, 163063900, 260902240, 326127800, 652255600, 1304511200]

約数ペア:

[(1, 1304511200), (2, 652255600), (4, 326127800), (5, 260902240), (8, 163063900), (10, 130451120), (16, 81531950), (20, 65225560), (25, 52180448), (32, 40765975), (40, 32612780), (50, 26090224), (79, 16512800), (80, 16306390), (100, 13045112), (158, 8256400), (160, 8153195), (200, 6522556), (316, 4128200), (395, 3302560), (400, 3261278), (632, 2064100), (790, 1651280), (800, 1630639), (1264, 1032050), (1580, 825640), (1975, 660512), (2528, 516025), (3160, 412820), (3950, 330256), (6320, 206410), (7900, 165128), (12640, 103205), (15800, 82564), (20641, 63200), (31600, 41282)]