2587760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4621}}^1$

素因数の和:4641

約数の個数: 40

約数和(自身を含む): 6877536

約数和(自身を除く): 4289776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4621, 9242, 18484, 23105, 32347, 36968, 46210, 64694, 73936, 92420, 129388, 161735, 184840, 258776, 323470, 369680, 517552, 646940, 1293880, 2587760]

約数ペア:

[(1, 2587760), (2, 1293880), (4, 646940), (5, 517552), (7, 369680), (8, 323470), (10, 258776), (14, 184840), (16, 161735), (20, 129388), (28, 92420), (35, 73936), (40, 64694), (56, 46210), (70, 36968), (80, 32347), (112, 23105), (140, 18484), (280, 9242), (560, 4621)]