15477320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3989}}^1$

素因数の和:4097

約数の個数: 32

約数和(自身を含む): 35191800

約数和(自身を除く): 19714480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 3989, 7978, 15956, 19945, 31912, 39890, 79780, 159560, 386933, 773866, 1547732, 1934665, 3095464, 3869330, 7738660, 15477320]

約数ペア:

[(1, 15477320), (2, 7738660), (4, 3869330), (5, 3095464), (8, 1934665), (10, 1547732), (20, 773866), (40, 386933), (97, 159560), (194, 79780), (388, 39890), (485, 31912), (776, 19945), (970, 15956), (1940, 7978), (3880, 3989)]