40645000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 104029200

約数和(自身を除く): 63384200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 739, 1000, 1100, 1250, 1375, 1478, 2200, 2500, 2750, 2956, 3695, 5000, 5500, 5912, 6875, 7390, 8129, 11000, 13750, 14780, 16258, 18475, 27500, 29560, 32516, 36950, 40645, 55000, 65032, 73900, 81290, 92375, 147800, 162580, 184750, 203225, 325160, 369500, 406450, 461875, 739000, 812900, 923750, 1016125, 1625800, 1847500, 2032250, 3695000, 4064500, 5080625, 8129000, 10161250, 20322500, 40645000]

約数ペア:

[(1, 40645000), (2, 20322500), (4, 10161250), (5, 8129000), (8, 5080625), (10, 4064500), (11, 3695000), (20, 2032250), (22, 1847500), (25, 1625800), (40, 1016125), (44, 923750), (50, 812900), (55, 739000), (88, 461875), (100, 406450), (110, 369500), (125, 325160), (200, 203225), (220, 184750), (250, 162580), (275, 147800), (440, 92375), (500, 81290), (550, 73900), (625, 65032), (739, 55000), (1000, 40645), (1100, 36950), (1250, 32516), (1375, 29560), (1478, 27500), (2200, 18475), (2500, 16258), (2750, 14780), (2956, 13750), (3695, 11000), (5000, 8129), (5500, 7390), (5912, 6875)]