80431000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 212284800

約数和(自身を除く): 131853800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 125, 130, 184, 200, 230, 250, 260, 269, 299, 325, 460, 500, 520, 538, 575, 598, 650, 920, 1000, 1076, 1150, 1196, 1300, 1345, 1495, 1625, 2152, 2300, 2392, 2600, 2690, 2875, 2990, 3250, 3497, 4600, 5380, 5750, 5980, 6187, 6500, 6725, 6994, 7475, 10760, 11500, 11960, 12374, 13000, 13450, 13988, 14950, 17485, 23000, 24748, 26900, 27976, 29900, 30935, 33625, 34970, 37375, 49496, 53800, 59800, 61870, 67250, 69940, 74750, 80431, 87425, 123740, 134500, 139880, 149500, 154675, 160862, 174850, 247480, 269000, 299000, 309350, 321724, 349700, 402155, 437125, 618700, 643448, 699400, 773375, 804310, 874250, 1237400, 1546750, 1608620, 1748500, 2010775, 3093500, 3217240, 3497000, 4021550, 6187000, 8043100, 10053875, 16086200, 20107750, 40215500, 80431000]

約数ペア:

[(1, 80431000), (2, 40215500), (4, 20107750), (5, 16086200), (8, 10053875), (10, 8043100), (13, 6187000), (20, 4021550), (23, 3497000), (25, 3217240), (26, 3093500), (40, 2010775), (46, 1748500), (50, 1608620), (52, 1546750), (65, 1237400), (92, 874250), (100, 804310), (104, 773375), (115, 699400), (125, 643448), (130, 618700), (184, 437125), (200, 402155), (230, 349700), (250, 321724), (260, 309350), (269, 299000), (299, 269000), (325, 247480), (460, 174850), (500, 160862), (520, 154675), (538, 149500), (575, 139880), (598, 134500), (650, 123740), (920, 87425), (1000, 80431), (1076, 74750), (1150, 69940), (1196, 67250), (1300, 61870), (1345, 59800), (1495, 53800), (1625, 49496), (2152, 37375), (2300, 34970), (2392, 33625), (2600, 30935), (2690, 29900), (2875, 27976), (2990, 26900), (3250, 24748), (3497, 23000), (4600, 17485), (5380, 14950), (5750, 13988), (5980, 13450), (6187, 13000), (6500, 12374), (6725, 11960), (6994, 11500), (7475, 10760)]