28605340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23447}}^1$

素因数の和:23517

約数の個数: 24

約数和(自身を含む): 61058592

約数和(自身を除く): 32453252

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23447, 46894, 93788, 117235, 234470, 468940, 1430267, 2860534, 5721068, 7151335, 14302670, 28605340]

約数ペア:

[(1, 28605340), (2, 14302670), (4, 7151335), (5, 5721068), (10, 2860534), (20, 1430267), (61, 468940), (122, 234470), (244, 117235), (305, 93788), (610, 46894), (1220, 23447)]