51831820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 113188320

約数和(自身を除く): 61356500

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 356, 370, 445, 740, 787, 890, 1574, 1780, 3148, 3293, 3935, 6586, 7870, 13172, 15740, 16465, 29119, 32930, 58238, 65860, 70043, 116476, 140086, 145595, 280172, 291190, 350215, 582380, 700430, 1400860, 2591591, 5183182, 10366364, 12957955, 25915910, 51831820]

約数ペア:

[(1, 51831820), (2, 25915910), (4, 12957955), (5, 10366364), (10, 5183182), (20, 2591591), (37, 1400860), (74, 700430), (89, 582380), (148, 350215), (178, 291190), (185, 280172), (356, 145595), (370, 140086), (445, 116476), (740, 70043), (787, 65860), (890, 58238), (1574, 32930), (1780, 29119), (3148, 16465), (3293, 15740), (3935, 13172), (6586, 7870)]