39604060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 86375520

約数和(自身を除く): 46771460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 491, 545, 740, 982, 1090, 1964, 2180, 2455, 4033, 4910, 8066, 9820, 16132, 18167, 20165, 36334, 40330, 53519, 72668, 80660, 90835, 107038, 181670, 214076, 267595, 363340, 535190, 1070380, 1980203, 3960406, 7920812, 9901015, 19802030, 39604060]

約数ペア:

[(1, 39604060), (2, 19802030), (4, 9901015), (5, 7920812), (10, 3960406), (20, 1980203), (37, 1070380), (74, 535190), (109, 363340), (148, 267595), (185, 214076), (218, 181670), (370, 107038), (436, 90835), (491, 80660), (545, 72668), (740, 53519), (982, 40330), (1090, 36334), (1964, 20165), (2180, 18167), (2455, 16132), (4033, 9820), (4910, 8066)]