672580540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{4177}}^1$

素因数の和:4366

約数の個数: 48

約数和(自身を含む): 1444518432

約数和(自身を除く): 771937892

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 166, 194, 332, 388, 415, 485, 830, 970, 1660, 1940, 4177, 8051, 8354, 16102, 16708, 20885, 32204, 40255, 41770, 80510, 83540, 161020, 346691, 405169, 693382, 810338, 1386764, 1620676, 1733455, 2025845, 3466910, 4051690, 6933820, 8103380, 33629027, 67258054, 134516108, 168145135, 336290270, 672580540]

約数ペア:

[(1, 672580540), (2, 336290270), (4, 168145135), (5, 134516108), (10, 67258054), (20, 33629027), (83, 8103380), (97, 6933820), (166, 4051690), (194, 3466910), (332, 2025845), (388, 1733455), (415, 1620676), (485, 1386764), (830, 810338), (970, 693382), (1660, 405169), (1940, 346691), (4177, 161020), (8051, 83540), (8354, 80510), (16102, 41770), (16708, 40255), (20885, 32204)]