20080980820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4889}}^1\times {\mathrm{5009}}^1$

素因数の和:9948

約数の個数: 48

約数和(自身を含む): 43216059600

約数和(自身を除く): 23135078780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4889, 5009, 9778, 10018, 19556, 20036, 24445, 25045, 48890, 50090, 97780, 100180, 200449, 205369, 400898, 410738, 801796, 821476, 1002245, 1026845, 2004490, 2053690, 4008980, 4107380, 24489001, 48978002, 97956004, 122445005, 244890010, 489780020, 1004049041, 2008098082, 4016196164, 5020245205, 10040490410, 20080980820]

約数ペア:

[(1, 20080980820), (2, 10040490410), (4, 5020245205), (5, 4016196164), (10, 2008098082), (20, 1004049041), (41, 489780020), (82, 244890010), (164, 122445005), (205, 97956004), (410, 48978002), (820, 24489001), (4889, 4107380), (5009, 4008980), (9778, 2053690), (10018, 2004490), (19556, 1026845), (20036, 1002245), (24445, 821476), (25045, 801796), (48890, 410738), (50090, 400898), (97780, 205369), (100180, 200449)]