2398520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 5490720

約数和(自身を除く): 3092200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 983, 1220, 1966, 2440, 3932, 4915, 7864, 9830, 19660, 39320, 59963, 119926, 239852, 299815, 479704, 599630, 1199260, 2398520]

約数ペア:

[(1, 2398520), (2, 1199260), (4, 599630), (5, 479704), (8, 299815), (10, 239852), (20, 119926), (40, 59963), (61, 39320), (122, 19660), (244, 9830), (305, 7864), (488, 4915), (610, 3932), (983, 2440), (1220, 1966)]