16254860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 35858592

約数和(自身を除く): 19603732

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 461, 820, 860, 922, 1763, 1844, 2305, 3526, 4610, 7052, 8815, 9220, 17630, 18901, 19823, 35260, 37802, 39646, 75604, 79292, 94505, 99115, 189010, 198230, 378020, 396460, 812743, 1625486, 3250972, 4063715, 8127430, 16254860]

約数ペア:

[(1, 16254860), (2, 8127430), (4, 4063715), (5, 3250972), (10, 1625486), (20, 812743), (41, 396460), (43, 378020), (82, 198230), (86, 189010), (164, 99115), (172, 94505), (205, 79292), (215, 75604), (410, 39646), (430, 37802), (461, 35260), (820, 19823), (860, 18901), (922, 17630), (1763, 9220), (1844, 8815), (2305, 7052), (3526, 4610)]