77920480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44273}}^1$

素因数の和:44299

約数の個数: 48

約数和(自身を含む): 200826864

約数和(自身を除く): 122906384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 44273, 88546, 177092, 221365, 354184, 442730, 487003, 708368, 885460, 974006, 1416736, 1770920, 1948012, 2435015, 3541840, 3896024, 4870030, 7083680, 7792048, 9740060, 15584096, 19480120, 38960240, 77920480]

約数ペア:

[(1, 77920480), (2, 38960240), (4, 19480120), (5, 15584096), (8, 9740060), (10, 7792048), (11, 7083680), (16, 4870030), (20, 3896024), (22, 3541840), (32, 2435015), (40, 1948012), (44, 1770920), (55, 1416736), (80, 974006), (88, 885460), (110, 708368), (160, 487003), (176, 442730), (220, 354184), (352, 221365), (440, 177092), (880, 88546), (1760, 44273)]