16209940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 19715180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 269, 460, 524, 538, 655, 1076, 1310, 1345, 2620, 2690, 3013, 5380, 6026, 6187, 12052, 12374, 15065, 24748, 30130, 30935, 35239, 60260, 61870, 70478, 123740, 140956, 176195, 352390, 704780, 810497, 1620994, 3241988, 4052485, 8104970, 16209940]

約数ペア:

[(1, 16209940), (2, 8104970), (4, 4052485), (5, 3241988), (10, 1620994), (20, 810497), (23, 704780), (46, 352390), (92, 176195), (115, 140956), (131, 123740), (230, 70478), (262, 61870), (269, 60260), (460, 35239), (524, 30935), (538, 30130), (655, 24748), (1076, 15065), (1310, 12374), (1345, 12052), (2620, 6187), (2690, 6026), (3013, 5380)]