2551420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 5715360

約数和(自身を除く): 3163940

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 83, 106, 116, 145, 166, 212, 265, 290, 332, 415, 530, 580, 830, 1060, 1537, 1660, 2407, 3074, 4399, 4814, 6148, 7685, 8798, 9628, 12035, 15370, 17596, 21995, 24070, 30740, 43990, 48140, 87980, 127571, 255142, 510284, 637855, 1275710, 2551420]

約数ペア:

[(1, 2551420), (2, 1275710), (4, 637855), (5, 510284), (10, 255142), (20, 127571), (29, 87980), (53, 48140), (58, 43990), (83, 30740), (106, 24070), (116, 21995), (145, 17596), (166, 15370), (212, 12035), (265, 9628), (290, 8798), (332, 7685), (415, 6148), (530, 4814), (580, 4399), (830, 3074), (1060, 2407), (1537, 1660)]