2004084920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1222003}}^1$

素因数の和:1222055

約数の個数: 32

約数和(自身を含む): 4619175120

約数和(自身を除く): 2615090200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1222003, 2444006, 4888012, 6110015, 9776024, 12220030, 24440060, 48880120, 50102123, 100204246, 200408492, 250510615, 400816984, 501021230, 1002042460, 2004084920]

約数ペア:

[(1, 2004084920), (2, 1002042460), (4, 501021230), (5, 400816984), (8, 250510615), (10, 200408492), (20, 100204246), (40, 50102123), (41, 48880120), (82, 24440060), (164, 12220030), (205, 9776024), (328, 6110015), (410, 4888012), (820, 2444006), (1640, 1222003)]