16900640

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 40701528

約数和(自身を除く): 23800888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 1993, 2120, 3986, 4240, 7972, 8480, 9965, 15944, 19930, 31888, 39860, 63776, 79720, 105629, 159440, 211258, 318880, 422516, 528145, 845032, 1056290, 1690064, 2112580, 3380128, 4225160, 8450320, 16900640]

約数ペア:

[(1, 16900640), (2, 8450320), (4, 4225160), (5, 3380128), (8, 2112580), (10, 1690064), (16, 1056290), (20, 845032), (32, 528145), (40, 422516), (53, 318880), (80, 211258), (106, 159440), (160, 105629), (212, 79720), (265, 63776), (424, 39860), (530, 31888), (848, 19930), (1060, 15944), (1696, 9965), (1993, 8480), (2120, 7972), (3986, 4240)]