40319200

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 72

約数和(自身を含む): 99603000

約数和(自身を除く): 59283800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 499, 505, 800, 808, 998, 1010, 1616, 1996, 2020, 2495, 2525, 3232, 3992, 4040, 4990, 5050, 7984, 8080, 9980, 10100, 12475, 15968, 16160, 19960, 20200, 24950, 39920, 40400, 49900, 50399, 79840, 80800, 99800, 100798, 199600, 201596, 251995, 399200, 403192, 503990, 806384, 1007980, 1259975, 1612768, 2015960, 2519950, 4031920, 5039900, 8063840, 10079800, 20159600, 40319200]

約数ペア:

[(1, 40319200), (2, 20159600), (4, 10079800), (5, 8063840), (8, 5039900), (10, 4031920), (16, 2519950), (20, 2015960), (25, 1612768), (32, 1259975), (40, 1007980), (50, 806384), (80, 503990), (100, 403192), (101, 399200), (160, 251995), (200, 201596), (202, 199600), (400, 100798), (404, 99800), (499, 80800), (505, 79840), (800, 50399), (808, 49900), (998, 40400), (1010, 39920), (1616, 24950), (1996, 20200), (2020, 19960), (2495, 16160), (2525, 15968), (3232, 12475), (3992, 10100), (4040, 9980), (4990, 8080), (5050, 7984)]