80330000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 100

約数和(自身を含む): 201919740

約数和(自身を除く): 121589740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 277, 290, 400, 464, 500, 554, 580, 625, 725, 1000, 1108, 1160, 1250, 1385, 1450, 2000, 2216, 2320, 2500, 2770, 2900, 3625, 4432, 5000, 5540, 5800, 6925, 7250, 8033, 10000, 11080, 11600, 13850, 14500, 16066, 18125, 22160, 27700, 29000, 32132, 34625, 36250, 40165, 55400, 58000, 64264, 69250, 72500, 80330, 110800, 128528, 138500, 145000, 160660, 173125, 200825, 277000, 290000, 321320, 346250, 401650, 554000, 642640, 692500, 803300, 1004125, 1385000, 1606600, 2008250, 2770000, 3213200, 4016500, 5020625, 8033000, 10041250, 16066000, 20082500, 40165000, 80330000]

約数ペア:

[(1, 80330000), (2, 40165000), (4, 20082500), (5, 16066000), (8, 10041250), (10, 8033000), (16, 5020625), (20, 4016500), (25, 3213200), (29, 2770000), (40, 2008250), (50, 1606600), (58, 1385000), (80, 1004125), (100, 803300), (116, 692500), (125, 642640), (145, 554000), (200, 401650), (232, 346250), (250, 321320), (277, 290000), (290, 277000), (400, 200825), (464, 173125), (500, 160660), (554, 145000), (580, 138500), (625, 128528), (725, 110800), (1000, 80330), (1108, 72500), (1160, 69250), (1250, 64264), (1385, 58000), (1450, 55400), (2000, 40165), (2216, 36250), (2320, 34625), (2500, 32132), (2770, 29000), (2900, 27700), (3625, 22160), (4432, 18125), (5000, 16066), (5540, 14500), (5800, 13850), (6925, 11600), (7250, 11080), (8033, 10000)]