128560940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2593}}^1$

素因数の和:2706

約数の個数: 48

約数和(自身を含む): 281521632

約数和(自身を除く): 152960692

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 134, 148, 185, 268, 335, 370, 670, 740, 1340, 2479, 2593, 4958, 5186, 9916, 10372, 12395, 12965, 24790, 25930, 49580, 51860, 95941, 173731, 191882, 347462, 383764, 479705, 694924, 868655, 959410, 1737310, 1918820, 3474620, 6428047, 12856094, 25712188, 32140235, 64280470, 128560940]

約数ペア:

[(1, 128560940), (2, 64280470), (4, 32140235), (5, 25712188), (10, 12856094), (20, 6428047), (37, 3474620), (67, 1918820), (74, 1737310), (134, 959410), (148, 868655), (185, 694924), (268, 479705), (335, 383764), (370, 347462), (670, 191882), (740, 173731), (1340, 95941), (2479, 51860), (2593, 49580), (4958, 25930), (5186, 24790), (9916, 12965), (10372, 12395)]