15855291220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{666749}}^1$

素因数の和:666828

約数の個数: 48

約数和(自身を含む): 35284410000

約数和(自身を除く): 19429118780

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 23780, 666749, 1333498, 2666996, 3333745, 6667490, 13334980, 19335721, 27336709, 38671442, 54673418, 77342884, 96678605, 109346836, 136683545, 193357210, 273367090, 386714420, 546734180, 792764561, 1585529122, 3171058244, 3963822805, 7927645610, 15855291220]

約数ペア:

[(1, 15855291220), (2, 7927645610), (4, 3963822805), (5, 3171058244), (10, 1585529122), (20, 792764561), (29, 546734180), (41, 386714420), (58, 273367090), (82, 193357210), (116, 136683545), (145, 109346836), (164, 96678605), (205, 77342884), (290, 54673418), (410, 38671442), (580, 27336709), (820, 19335721), (1189, 13334980), (2378, 6667490), (4756, 3333745), (5945, 2666996), (11890, 1333498), (23780, 666749)]