25377560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 63201600

約数和(自身を除く): 37824040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1319, 1480, 1924, 2405, 2638, 3848, 4810, 5276, 6595, 9620, 10552, 13190, 17147, 19240, 26380, 34294, 48803, 52760, 68588, 85735, 97606, 137176, 171470, 195212, 244015, 342940, 390424, 488030, 634439, 685880, 976060, 1268878, 1952120, 2537756, 3172195, 5075512, 6344390, 12688780, 25377560]

約数ペア:

[(1, 25377560), (2, 12688780), (4, 6344390), (5, 5075512), (8, 3172195), (10, 2537756), (13, 1952120), (20, 1268878), (26, 976060), (37, 685880), (40, 634439), (52, 488030), (65, 390424), (74, 342940), (104, 244015), (130, 195212), (148, 171470), (185, 137176), (260, 97606), (296, 85735), (370, 68588), (481, 52760), (520, 48803), (740, 34294), (962, 26380), (1319, 19240), (1480, 17147), (1924, 13190), (2405, 10552), (2638, 9620), (3848, 6595), (4810, 5276)]