408035960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{100999}}^1$

素因数の和:101111

約数の個数: 32

約数和(自身を含む): 927180000

約数和(自身を除く): 519144040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 100999, 201998, 403996, 504995, 807992, 1009990, 2019980, 4039960, 10200899, 20401798, 40803596, 51004495, 81607192, 102008990, 204017980, 408035960]

約数ペア:

[(1, 408035960), (2, 204017980), (4, 102008990), (5, 81607192), (8, 51004495), (10, 40803596), (20, 20401798), (40, 10200899), (101, 4039960), (202, 2019980), (404, 1009990), (505, 807992), (808, 504995), (1010, 403996), (2020, 201998), (4040, 100999)]