12895640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 30792960

約数和(自身を除く): 17897320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 131, 184, 214, 230, 262, 428, 460, 524, 535, 655, 856, 920, 1048, 1070, 1310, 2140, 2461, 2620, 3013, 4280, 4922, 5240, 6026, 9844, 12052, 12305, 14017, 15065, 19688, 24104, 24610, 28034, 30130, 49220, 56068, 60260, 70085, 98440, 112136, 120520, 140170, 280340, 322391, 560680, 644782, 1289564, 1611955, 2579128, 3223910, 6447820, 12895640]

約数ペア:

[(1, 12895640), (2, 6447820), (4, 3223910), (5, 2579128), (8, 1611955), (10, 1289564), (20, 644782), (23, 560680), (40, 322391), (46, 280340), (92, 140170), (107, 120520), (115, 112136), (131, 98440), (184, 70085), (214, 60260), (230, 56068), (262, 49220), (428, 30130), (460, 28034), (524, 24610), (535, 24104), (655, 19688), (856, 15065), (920, 14017), (1048, 12305), (1070, 12052), (1310, 9844), (2140, 6026), (2461, 5240), (2620, 4922), (3013, 4280)]