78103620400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1155379}}^1$

素因数の和:1155423

約数の個数: 90

約数和(自身を含む): 203188592940

約数和(自身を除く): 125084972540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 1040, 1300, 1352, 1690, 2600, 2704, 3380, 4225, 5200, 6760, 8450, 13520, 16900, 33800, 67600, 1155379, 2310758, 4621516, 5776895, 9243032, 11553790, 15019927, 18486064, 23107580, 28884475, 30039854, 46215160, 57768950, 60079708, 75099635, 92430320, 115537900, 120159416, 150199270, 195259051, 231075800, 240318832, 300398540, 375498175, 390518102, 462151600, 600797080, 750996350, 781036204, 976295255, 1201594160, 1501992700, 1562072408, 1952590510, 3003985400, 3124144816, 3905181020, 4881476275, 6007970800, 7810362040, 9762952550, 15620724080, 19525905100, 39051810200, 78103620400]

約数ペア:

[(1, 78103620400), (2, 39051810200), (4, 19525905100), (5, 15620724080), (8, 9762952550), (10, 7810362040), (13, 6007970800), (16, 4881476275), (20, 3905181020), (25, 3124144816), (26, 3003985400), (40, 1952590510), (50, 1562072408), (52, 1501992700), (65, 1201594160), (80, 976295255), (100, 781036204), (104, 750996350), (130, 600797080), (169, 462151600), (200, 390518102), (208, 375498175), (260, 300398540), (325, 240318832), (338, 231075800), (400, 195259051), (520, 150199270), (650, 120159416), (676, 115537900), (845, 92430320), (1040, 75099635), (1300, 60079708), (1352, 57768950), (1690, 46215160), (2600, 30039854), (2704, 28884475), (3380, 23107580), (4225, 18486064), (5200, 15019927), (6760, 11553790), (8450, 9243032), (13520, 5776895), (16900, 4621516), (33800, 2310758), (67600, 1155379)]