42643880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17477}}^1$

素因数の和:17549

約数の個数: 32

約数和(自身を含む): 97527240

約数和(自身を除く): 54883360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 17477, 34954, 69908, 87385, 139816, 174770, 349540, 699080, 1066097, 2132194, 4264388, 5330485, 8528776, 10660970, 21321940, 42643880]

約数ペア:

[(1, 42643880), (2, 21321940), (4, 10660970), (5, 8528776), (8, 5330485), (10, 4264388), (20, 2132194), (40, 1066097), (61, 699080), (122, 349540), (244, 174770), (305, 139816), (488, 87385), (610, 69908), (1220, 34954), (2440, 17477)]