25770320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 60397920

約数和(自身を除く): 34627600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2459, 2620, 4918, 5240, 9836, 10480, 12295, 19672, 24590, 39344, 49180, 98360, 196720, 322129, 644258, 1288516, 1610645, 2577032, 3221290, 5154064, 6442580, 12885160, 25770320]

約数ペア:

[(1, 25770320), (2, 12885160), (4, 6442580), (5, 5154064), (8, 3221290), (10, 2577032), (16, 1610645), (20, 1288516), (40, 644258), (80, 322129), (131, 196720), (262, 98360), (524, 49180), (655, 39344), (1048, 24590), (1310, 19672), (2096, 12295), (2459, 10480), (2620, 9836), (4918, 5240)]