12648620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 28643328

約数和(自身を除く): 15994708

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 887, 1426, 1774, 2852, 3548, 3565, 4435, 7130, 8870, 14260, 17740, 20401, 27497, 40802, 54994, 81604, 102005, 109988, 137485, 204010, 274970, 408020, 549940, 632431, 1264862, 2529724, 3162155, 6324310, 12648620]

約数ペア:

[(1, 12648620), (2, 6324310), (4, 3162155), (5, 2529724), (10, 1264862), (20, 632431), (23, 549940), (31, 408020), (46, 274970), (62, 204010), (92, 137485), (115, 109988), (124, 102005), (155, 81604), (230, 54994), (310, 40802), (460, 27497), (620, 20401), (713, 17740), (887, 14260), (1426, 8870), (1774, 7130), (2852, 4435), (3548, 3565)]