2005153000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{19853}}^1$

素因数の和:19975

約数の個数: 64

約数和(自身を含む): 4738752720

約数和(自身を除く): 2733599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 808, 1000, 1010, 2020, 2525, 4040, 5050, 10100, 12625, 19853, 20200, 25250, 39706, 50500, 79412, 99265, 101000, 158824, 198530, 397060, 496325, 794120, 992650, 1985300, 2005153, 2481625, 3970600, 4010306, 4963250, 8020612, 9926500, 10025765, 16041224, 19853000, 20051530, 40103060, 50128825, 80206120, 100257650, 200515300, 250644125, 401030600, 501288250, 1002576500, 2005153000]

約数ペア:

[(1, 2005153000), (2, 1002576500), (4, 501288250), (5, 401030600), (8, 250644125), (10, 200515300), (20, 100257650), (25, 80206120), (40, 50128825), (50, 40103060), (100, 20051530), (101, 19853000), (125, 16041224), (200, 10025765), (202, 9926500), (250, 8020612), (404, 4963250), (500, 4010306), (505, 3970600), (808, 2481625), (1000, 2005153), (1010, 1985300), (2020, 992650), (2525, 794120), (4040, 496325), (5050, 397060), (10100, 198530), (12625, 158824), (19853, 101000), (20200, 99265), (25250, 79412), (39706, 50500)]