16274540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 19287700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 223, 356, 410, 445, 446, 820, 890, 892, 1115, 1780, 2230, 3649, 4460, 7298, 9143, 14596, 18245, 18286, 19847, 36490, 36572, 39694, 45715, 72980, 79388, 91430, 99235, 182860, 198470, 396940, 813727, 1627454, 3254908, 4068635, 8137270, 16274540]

約数ペア:

[(1, 16274540), (2, 8137270), (4, 4068635), (5, 3254908), (10, 1627454), (20, 813727), (41, 396940), (82, 198470), (89, 182860), (164, 99235), (178, 91430), (205, 79388), (223, 72980), (356, 45715), (410, 39694), (445, 36572), (446, 36490), (820, 19847), (890, 18286), (892, 18245), (1115, 14596), (1780, 9143), (2230, 7298), (3649, 4460)]