1587220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 3390408

約数和(自身を除く): 1803188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1301, 2602, 5204, 6505, 13010, 26020, 79361, 158722, 317444, 396805, 793610, 1587220]

約数ペア:

[(1, 1587220), (2, 793610), (4, 396805), (5, 317444), (10, 158722), (20, 79361), (61, 26020), (122, 13010), (244, 6505), (305, 5204), (610, 2602), (1220, 1301)]