1640802800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45077}}^1$

素因数の和:45115

約数の個数: 120

約数和(自身を含む): 4851835296

約数和(自身を除く): 3211032496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 2275, 2600, 2800, 3640, 4550, 5200, 7280, 9100, 18200, 36400, 45077, 90154, 180308, 225385, 315539, 360616, 450770, 586001, 631078, 721232, 901540, 1126925, 1172002, 1262156, 1577695, 1803080, 2253850, 2344004, 2524312, 2930005, 3155390, 3606160, 4102007, 4507700, 4688008, 5048624, 5860010, 6310780, 7888475, 8204014, 9015400, 9376016, 11720020, 12621560, 14650025, 15776950, 16408028, 18030800, 20510035, 23440040, 25243120, 29300050, 31553900, 32816056, 41020070, 46880080, 58600100, 63107800, 65632112, 82040140, 102550175, 117200200, 126215600, 164080280, 205100350, 234400400, 328160560, 410200700, 820401400, 1640802800]

約数ペア:

[(1, 1640802800), (2, 820401400), (4, 410200700), (5, 328160560), (7, 234400400), (8, 205100350), (10, 164080280), (13, 126215600), (14, 117200200), (16, 102550175), (20, 82040140), (25, 65632112), (26, 63107800), (28, 58600100), (35, 46880080), (40, 41020070), (50, 32816056), (52, 31553900), (56, 29300050), (65, 25243120), (70, 23440040), (80, 20510035), (91, 18030800), (100, 16408028), (104, 15776950), (112, 14650025), (130, 12621560), (140, 11720020), (175, 9376016), (182, 9015400), (200, 8204014), (208, 7888475), (260, 6310780), (280, 5860010), (325, 5048624), (350, 4688008), (364, 4507700), (400, 4102007), (455, 3606160), (520, 3155390), (560, 2930005), (650, 2524312), (700, 2344004), (728, 2253850), (910, 1803080), (1040, 1577695), (1300, 1262156), (1400, 1172002), (1456, 1126925), (1820, 901540), (2275, 721232), (2600, 631078), (2800, 586001), (3640, 450770), (4550, 360616), (5200, 315539), (7280, 225385), (9100, 180308), (18200, 90154), (36400, 45077)]