2860880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3251}}^1$

素因数の和:3275

約数の個数: 40

約数和(自身を含む): 7258464

約数和(自身を除く): 4397584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3251, 6502, 13004, 16255, 26008, 32510, 35761, 52016, 65020, 71522, 130040, 143044, 178805, 260080, 286088, 357610, 572176, 715220, 1430440, 2860880]

約数ペア:

[(1, 2860880), (2, 1430440), (4, 715220), (5, 572176), (8, 357610), (10, 286088), (11, 260080), (16, 178805), (20, 143044), (22, 130040), (40, 71522), (44, 65020), (55, 52016), (80, 35761), (88, 32510), (110, 26008), (176, 16255), (220, 13004), (440, 6502), (880, 3251)]