20576400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1353

約数の個数: 120

約数和(自身を含む): 71037120

約数和(自身を除く): 50460720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1319, 1560, 1950, 2600, 2638, 3120, 3900, 3957, 5200, 5276, 6595, 7800, 7914, 10552, 13190, 15600, 15828, 17147, 19785, 21104, 26380, 31656, 32975, 34294, 39570, 51441, 52760, 63312, 65950, 68588, 79140, 85735, 98925, 102882, 105520, 131900, 137176, 158280, 171470, 197850, 205764, 257205, 263800, 274352, 316560, 342940, 395700, 411528, 428675, 514410, 527600, 685880, 791400, 823056, 857350, 1028820, 1286025, 1371760, 1582800, 1714700, 2057640, 2572050, 3429400, 4115280, 5144100, 6858800, 10288200, 20576400]

約数ペア:

[(1, 20576400), (2, 10288200), (3, 6858800), (4, 5144100), (5, 4115280), (6, 3429400), (8, 2572050), (10, 2057640), (12, 1714700), (13, 1582800), (15, 1371760), (16, 1286025), (20, 1028820), (24, 857350), (25, 823056), (26, 791400), (30, 685880), (39, 527600), (40, 514410), (48, 428675), (50, 411528), (52, 395700), (60, 342940), (65, 316560), (75, 274352), (78, 263800), (80, 257205), (100, 205764), (104, 197850), (120, 171470), (130, 158280), (150, 137176), (156, 131900), (195, 105520), (200, 102882), (208, 98925), (240, 85735), (260, 79140), (300, 68588), (312, 65950), (325, 63312), (390, 52760), (400, 51441), (520, 39570), (600, 34294), (624, 32975), (650, 31656), (780, 26380), (975, 21104), (1040, 19785), (1200, 17147), (1300, 15828), (1319, 15600), (1560, 13190), (1950, 10552), (2600, 7914), (2638, 7800), (3120, 6595), (3900, 5276), (3957, 5200)]