8850804980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1\times {\mathrm{2213}}^1$

素因数の和:3176

約数の個数: 48

約数和(自身を含む): 18683892864

約数和(自身を除く): 9833087884

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 643, 1244, 1286, 1555, 2213, 2572, 3110, 3215, 4426, 6220, 6430, 8852, 11065, 12860, 22130, 44260, 199973, 399946, 688243, 799892, 999865, 1376486, 1422959, 1999730, 2752972, 2845918, 3441215, 3999460, 5691836, 6882430, 7114795, 13764860, 14229590, 28459180, 442540249, 885080498, 1770160996, 2212701245, 4425402490, 8850804980]

約数ペア:

[(1, 8850804980), (2, 4425402490), (4, 2212701245), (5, 1770160996), (10, 885080498), (20, 442540249), (311, 28459180), (622, 14229590), (643, 13764860), (1244, 7114795), (1286, 6882430), (1555, 5691836), (2213, 3999460), (2572, 3441215), (3110, 2845918), (3215, 2752972), (4426, 1999730), (6220, 1422959), (6430, 1376486), (8852, 999865), (11065, 799892), (12860, 688243), (22130, 399946), (44260, 199973)]