25515974780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1\times {\mathrm{12823}}^1$

素因数の和:15558

約数の個数: 48

約数和(自身を含む): 55056509760

約数和(自身を除く): 29540534980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2689, 5378, 10756, 12823, 13445, 25646, 26890, 51292, 53780, 64115, 99493, 128230, 198986, 256460, 397972, 474451, 497465, 948902, 994930, 1897804, 1989860, 2372255, 4744510, 9489020, 34481047, 68962094, 137924188, 172405235, 344810470, 689620940, 1275798739, 2551597478, 5103194956, 6378993695, 12757987390, 25515974780]

約数ペア:

[(1, 25515974780), (2, 12757987390), (4, 6378993695), (5, 5103194956), (10, 2551597478), (20, 1275798739), (37, 689620940), (74, 344810470), (148, 172405235), (185, 137924188), (370, 68962094), (740, 34481047), (2689, 9489020), (5378, 4744510), (10756, 2372255), (12823, 1989860), (13445, 1897804), (25646, 994930), (26890, 948902), (51292, 497465), (53780, 474451), (64115, 397972), (99493, 256460), (128230, 198986)]