100972000

素因数分解:

$2^5\times 5^3\times {\mathrm{25243}}^1$

素因数の和:25268

約数の個数: 48

約数和(自身を含む): 248098032

約数和(自身を除く): 147126032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 25243, 50486, 100972, 126215, 201944, 252430, 403888, 504860, 631075, 807776, 1009720, 1262150, 2019440, 2524300, 3155375, 4038880, 5048600, 6310750, 10097200, 12621500, 20194400, 25243000, 50486000, 100972000]

約数ペア:

[(1, 100972000), (2, 50486000), (4, 25243000), (5, 20194400), (8, 12621500), (10, 10097200), (16, 6310750), (20, 5048600), (25, 4038880), (32, 3155375), (40, 2524300), (50, 2019440), (80, 1262150), (100, 1009720), (125, 807776), (160, 631075), (200, 504860), (250, 403888), (400, 252430), (500, 201944), (800, 126215), (1000, 100972), (2000, 50486), (4000, 25243)]