12796520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 31795200

約数和(自身を除く): 18998680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 229, 254, 440, 458, 508, 635, 916, 1016, 1145, 1270, 1397, 1832, 2290, 2519, 2540, 2794, 4580, 5038, 5080, 5588, 6985, 9160, 10076, 11176, 12595, 13970, 20152, 25190, 27940, 29083, 50380, 55880, 58166, 100760, 116332, 145415, 232664, 290830, 319913, 581660, 639826, 1163320, 1279652, 1599565, 2559304, 3199130, 6398260, 12796520]

約数ペア:

[(1, 12796520), (2, 6398260), (4, 3199130), (5, 2559304), (8, 1599565), (10, 1279652), (11, 1163320), (20, 639826), (22, 581660), (40, 319913), (44, 290830), (55, 232664), (88, 145415), (110, 116332), (127, 100760), (220, 58166), (229, 55880), (254, 50380), (440, 29083), (458, 27940), (508, 25190), (635, 20152), (916, 13970), (1016, 12595), (1145, 11176), (1270, 10076), (1397, 9160), (1832, 6985), (2290, 5588), (2519, 5080), (2540, 5038), (2794, 4580)]