26001560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 65076480

約数和(自身を除く): 39074920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 1613, 2015, 3224, 3226, 4030, 6452, 8060, 8065, 12904, 16120, 16130, 20969, 32260, 41938, 50003, 64520, 83876, 100006, 104845, 167752, 200012, 209690, 250015, 400024, 419380, 500030, 650039, 838760, 1000060, 1300078, 2000120, 2600156, 3250195, 5200312, 6500390, 13000780, 26001560]

約数ペア:

[(1, 26001560), (2, 13000780), (4, 6500390), (5, 5200312), (8, 3250195), (10, 2600156), (13, 2000120), (20, 1300078), (26, 1000060), (31, 838760), (40, 650039), (52, 500030), (62, 419380), (65, 400024), (104, 250015), (124, 209690), (130, 200012), (155, 167752), (248, 104845), (260, 100006), (310, 83876), (403, 64520), (520, 50003), (620, 41938), (806, 32260), (1240, 20969), (1612, 16130), (1613, 16120), (2015, 12904), (3224, 8065), (3226, 8060), (4030, 6452)]