27720160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13327}}^1$

素因数の和:13355

約数の個数: 48

約数和(自身を含む): 70531776

約数和(自身を除く): 42811616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13327, 26654, 53308, 66635, 106616, 133270, 173251, 213232, 266540, 346502, 426464, 533080, 693004, 866255, 1066160, 1386008, 1732510, 2132320, 2772016, 3465020, 5544032, 6930040, 13860080, 27720160]

約数ペア:

[(1, 27720160), (2, 13860080), (4, 6930040), (5, 5544032), (8, 3465020), (10, 2772016), (13, 2132320), (16, 1732510), (20, 1386008), (26, 1066160), (32, 866255), (40, 693004), (52, 533080), (65, 426464), (80, 346502), (104, 266540), (130, 213232), (160, 173251), (208, 133270), (260, 106616), (416, 66635), (520, 53308), (1040, 26654), (2080, 13327)]