16487780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 36699264

約数和(自身を除く): 20211484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 491, 730, 982, 1460, 1679, 1964, 2455, 3358, 4910, 6716, 8395, 9820, 11293, 16790, 22586, 33580, 35843, 45172, 56465, 71686, 112930, 143372, 179215, 225860, 358430, 716860, 824389, 1648778, 3297556, 4121945, 8243890, 16487780]

約数ペア:

[(1, 16487780), (2, 8243890), (4, 4121945), (5, 3297556), (10, 1648778), (20, 824389), (23, 716860), (46, 358430), (73, 225860), (92, 179215), (115, 143372), (146, 112930), (230, 71686), (292, 56465), (365, 45172), (460, 35843), (491, 33580), (730, 22586), (982, 16790), (1460, 11293), (1679, 9820), (1964, 8395), (2455, 6716), (3358, 4910)]