1330963880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{545477}}^1$

素因数の和:545549

約数の個数: 32

約数和(自身を含む): 3043767240

約数和(自身を除く): 1712803360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 545477, 1090954, 2181908, 2727385, 4363816, 5454770, 10909540, 21819080, 33274097, 66548194, 133096388, 166370485, 266192776, 332740970, 665481940, 1330963880]

約数ペア:

[(1, 1330963880), (2, 665481940), (4, 332740970), (5, 266192776), (8, 166370485), (10, 133096388), (20, 66548194), (40, 33274097), (61, 21819080), (122, 10909540), (244, 5454770), (305, 4363816), (488, 2727385), (610, 2181908), (1220, 1090954), (2440, 545477)]