13780000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:96

約数の個数: 120

約数和(自身を含む): 37197468

約数和(自身を除く): 23417468

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 65, 80, 100, 104, 106, 125, 130, 160, 200, 208, 212, 250, 260, 265, 325, 400, 416, 424, 500, 520, 530, 625, 650, 689, 800, 848, 1000, 1040, 1060, 1250, 1300, 1325, 1378, 1625, 1696, 2000, 2080, 2120, 2500, 2600, 2650, 2756, 3250, 3445, 4000, 4240, 5000, 5200, 5300, 5512, 6500, 6625, 6890, 8125, 8480, 10000, 10400, 10600, 11024, 13000, 13250, 13780, 16250, 17225, 20000, 21200, 22048, 26000, 26500, 27560, 32500, 33125, 34450, 42400, 52000, 53000, 55120, 65000, 66250, 68900, 86125, 106000, 110240, 130000, 132500, 137800, 172250, 212000, 260000, 265000, 275600, 344500, 430625, 530000, 551200, 689000, 861250, 1060000, 1378000, 1722500, 2756000, 3445000, 6890000, 13780000]

約数ペア:

[(1, 13780000), (2, 6890000), (4, 3445000), (5, 2756000), (8, 1722500), (10, 1378000), (13, 1060000), (16, 861250), (20, 689000), (25, 551200), (26, 530000), (32, 430625), (40, 344500), (50, 275600), (52, 265000), (53, 260000), (65, 212000), (80, 172250), (100, 137800), (104, 132500), (106, 130000), (125, 110240), (130, 106000), (160, 86125), (200, 68900), (208, 66250), (212, 65000), (250, 55120), (260, 53000), (265, 52000), (325, 42400), (400, 34450), (416, 33125), (424, 32500), (500, 27560), (520, 26500), (530, 26000), (625, 22048), (650, 21200), (689, 20000), (800, 17225), (848, 16250), (1000, 13780), (1040, 13250), (1060, 13000), (1250, 11024), (1300, 10600), (1325, 10400), (1378, 10000), (1625, 8480), (1696, 8125), (2000, 6890), (2080, 6625), (2120, 6500), (2500, 5512), (2600, 5300), (2650, 5200), (2756, 5000), (3250, 4240), (3445, 4000)]