12916640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 34292160

約数和(自身を除く): 21375520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 179, 205, 220, 328, 352, 358, 410, 440, 451, 656, 716, 820, 880, 895, 902, 1312, 1432, 1640, 1760, 1790, 1804, 1969, 2255, 2864, 3280, 3580, 3608, 3938, 4510, 5728, 6560, 7160, 7216, 7339, 7876, 9020, 9845, 14320, 14432, 14678, 15752, 18040, 19690, 28640, 29356, 31504, 36080, 36695, 39380, 58712, 63008, 72160, 73390, 78760, 80729, 117424, 146780, 157520, 161458, 234848, 293560, 315040, 322916, 403645, 587120, 645832, 807290, 1174240, 1291664, 1614580, 2583328, 3229160, 6458320, 12916640]

約数ペア:

[(1, 12916640), (2, 6458320), (4, 3229160), (5, 2583328), (8, 1614580), (10, 1291664), (11, 1174240), (16, 807290), (20, 645832), (22, 587120), (32, 403645), (40, 322916), (41, 315040), (44, 293560), (55, 234848), (80, 161458), (82, 157520), (88, 146780), (110, 117424), (160, 80729), (164, 78760), (176, 73390), (179, 72160), (205, 63008), (220, 58712), (328, 39380), (352, 36695), (358, 36080), (410, 31504), (440, 29356), (451, 28640), (656, 19690), (716, 18040), (820, 15752), (880, 14678), (895, 14432), (902, 14320), (1312, 9845), (1432, 9020), (1640, 7876), (1760, 7339), (1790, 7216), (1804, 7160), (1969, 6560), (2255, 5728), (2864, 4510), (3280, 3938), (3580, 3608)]