33378920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20353}}^1$

素因数の和:20405

約数の個数: 32

約数和(自身を含む): 76938120

約数和(自身を除く): 43559200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 20353, 40706, 81412, 101765, 162824, 203530, 407060, 814120, 834473, 1668946, 3337892, 4172365, 6675784, 8344730, 16689460, 33378920]

約数ペア:

[(1, 33378920), (2, 16689460), (4, 8344730), (5, 6675784), (8, 4172365), (10, 3337892), (20, 1668946), (40, 834473), (41, 814120), (82, 407060), (164, 203530), (205, 162824), (328, 101765), (410, 81412), (820, 40706), (1640, 20353)]