13520000

素因数分解:

$2^7\times 5^4\times {\mathrm{13}}^2$

素因数の和:60

約数の個数: 120

約数和(自身を含む): 36445365

約数和(自身を除く): 22925365

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 169, 200, 208, 250, 260, 320, 325, 338, 400, 416, 500, 520, 625, 640, 650, 676, 800, 832, 845, 1000, 1040, 1250, 1300, 1352, 1600, 1625, 1664, 1690, 2000, 2080, 2500, 2600, 2704, 3200, 3250, 3380, 4000, 4160, 4225, 5000, 5200, 5408, 6500, 6760, 8000, 8125, 8320, 8450, 10000, 10400, 10816, 13000, 13520, 16000, 16250, 16900, 20000, 20800, 21125, 21632, 26000, 27040, 32500, 33800, 40000, 41600, 42250, 52000, 54080, 65000, 67600, 80000, 84500, 104000, 105625, 108160, 130000, 135200, 169000, 208000, 211250, 260000, 270400, 338000, 422500, 520000, 540800, 676000, 845000, 1040000, 1352000, 1690000, 2704000, 3380000, 6760000, 13520000]

約数ペア:

[(1, 13520000), (2, 6760000), (4, 3380000), (5, 2704000), (8, 1690000), (10, 1352000), (13, 1040000), (16, 845000), (20, 676000), (25, 540800), (26, 520000), (32, 422500), (40, 338000), (50, 270400), (52, 260000), (64, 211250), (65, 208000), (80, 169000), (100, 135200), (104, 130000), (125, 108160), (128, 105625), (130, 104000), (160, 84500), (169, 80000), (200, 67600), (208, 65000), (250, 54080), (260, 52000), (320, 42250), (325, 41600), (338, 40000), (400, 33800), (416, 32500), (500, 27040), (520, 26000), (625, 21632), (640, 21125), (650, 20800), (676, 20000), (800, 16900), (832, 16250), (845, 16000), (1000, 13520), (1040, 13000), (1250, 10816), (1300, 10400), (1352, 10000), (1600, 8450), (1625, 8320), (1664, 8125), (1690, 8000), (2000, 6760), (2080, 6500), (2500, 5408), (2600, 5200), (2704, 5000), (3200, 4225), (3250, 4160), (3380, 4000)]