420979880

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{9629}}^1$

素因数の和:10733

約数の個数: 32

約数和(自身を含む): 948169800

約数和(自身を除く): 527189920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4372, 5465, 8744, 9629, 10930, 19258, 21860, 38516, 43720, 48145, 77032, 96290, 192580, 385160, 10524497, 21048994, 42097988, 52622485, 84195976, 105244970, 210489940, 420979880]

約数ペア:

[(1, 420979880), (2, 210489940), (4, 105244970), (5, 84195976), (8, 52622485), (10, 42097988), (20, 21048994), (40, 10524497), (1093, 385160), (2186, 192580), (4372, 96290), (5465, 77032), (8744, 48145), (9629, 43720), (10930, 38516), (19258, 21860)]