40860560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 103587120

約数和(自身を除く): 62726560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 389, 404, 505, 520, 778, 808, 1010, 1040, 1313, 1556, 1616, 1945, 2020, 2626, 3112, 3890, 4040, 5057, 5252, 6224, 6565, 7780, 8080, 10114, 10504, 13130, 15560, 20228, 21008, 25285, 26260, 31120, 39289, 40456, 50570, 52520, 78578, 80912, 101140, 105040, 157156, 196445, 202280, 314312, 392890, 404560, 510757, 628624, 785780, 1021514, 1571560, 2043028, 2553785, 3143120, 4086056, 5107570, 8172112, 10215140, 20430280, 40860560]

約数ペア:

[(1, 40860560), (2, 20430280), (4, 10215140), (5, 8172112), (8, 5107570), (10, 4086056), (13, 3143120), (16, 2553785), (20, 2043028), (26, 1571560), (40, 1021514), (52, 785780), (65, 628624), (80, 510757), (101, 404560), (104, 392890), (130, 314312), (202, 202280), (208, 196445), (260, 157156), (389, 105040), (404, 101140), (505, 80912), (520, 78578), (778, 52520), (808, 50570), (1010, 40456), (1040, 39289), (1313, 31120), (1556, 26260), (1616, 25285), (1945, 21008), (2020, 20228), (2626, 15560), (3112, 13130), (3890, 10504), (4040, 10114), (5057, 8080), (5252, 7780), (6224, 6565)]