25323280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10211}}^1$

素因数の和:10255

約数の個数: 40

約数和(自身を含む): 60781824

約数和(自身を除く): 35458544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10211, 20422, 40844, 51055, 81688, 102110, 163376, 204220, 316541, 408440, 633082, 816880, 1266164, 1582705, 2532328, 3165410, 5064656, 6330820, 12661640, 25323280]

約数ペア:

[(1, 25323280), (2, 12661640), (4, 6330820), (5, 5064656), (8, 3165410), (10, 2532328), (16, 1582705), (20, 1266164), (31, 816880), (40, 633082), (62, 408440), (80, 316541), (124, 204220), (155, 163376), (248, 102110), (310, 81688), (496, 51055), (620, 40844), (1240, 20422), (2480, 10211)]