551200

素因数分解:

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

素因数の和:86

約数の個数: 72

約数和(自身を含む): 1476468

約数和(自身を除く): 925268

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 65, 80, 100, 104, 106, 130, 160, 200, 208, 212, 260, 265, 325, 400, 416, 424, 520, 530, 650, 689, 800, 848, 1040, 1060, 1300, 1325, 1378, 1696, 2080, 2120, 2600, 2650, 2756, 3445, 4240, 5200, 5300, 5512, 6890, 8480, 10400, 10600, 11024, 13780, 17225, 21200, 22048, 27560, 34450, 42400, 55120, 68900, 110240, 137800, 275600, 551200]

約数ペア:

[(1, 551200), (2, 275600), (4, 137800), (5, 110240), (8, 68900), (10, 55120), (13, 42400), (16, 34450), (20, 27560), (25, 22048), (26, 21200), (32, 17225), (40, 13780), (50, 11024), (52, 10600), (53, 10400), (65, 8480), (80, 6890), (100, 5512), (104, 5300), (106, 5200), (130, 4240), (160, 3445), (200, 2756), (208, 2650), (212, 2600), (260, 2120), (265, 2080), (325, 1696), (400, 1378), (416, 1325), (424, 1300), (520, 1060), (530, 1040), (650, 848), (689, 800)]