26881580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 66528000

約数和(自身を除く): 39646420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 59, 76, 95, 109, 110, 118, 190, 209, 218, 220, 236, 295, 380, 418, 436, 545, 590, 649, 836, 1045, 1090, 1121, 1180, 1199, 1298, 2071, 2090, 2180, 2242, 2398, 2596, 3245, 4142, 4180, 4484, 4796, 5605, 5995, 6431, 6490, 8284, 10355, 11210, 11990, 12331, 12862, 12980, 20710, 22420, 22781, 23980, 24662, 25724, 32155, 41420, 45562, 49324, 61655, 64310, 70741, 91124, 113905, 122189, 123310, 128620, 141482, 227810, 244378, 246620, 282964, 353705, 455620, 488756, 610945, 707410, 1221890, 1344079, 1414820, 2443780, 2688158, 5376316, 6720395, 13440790, 26881580]

約数ペア:

[(1, 26881580), (2, 13440790), (4, 6720395), (5, 5376316), (10, 2688158), (11, 2443780), (19, 1414820), (20, 1344079), (22, 1221890), (38, 707410), (44, 610945), (55, 488756), (59, 455620), (76, 353705), (95, 282964), (109, 246620), (110, 244378), (118, 227810), (190, 141482), (209, 128620), (218, 123310), (220, 122189), (236, 113905), (295, 91124), (380, 70741), (418, 64310), (436, 61655), (545, 49324), (590, 45562), (649, 41420), (836, 32155), (1045, 25724), (1090, 24662), (1121, 23980), (1180, 22781), (1199, 22420), (1298, 20710), (2071, 12980), (2090, 12862), (2180, 12331), (2242, 11990), (2398, 11210), (2596, 10355), (3245, 8284), (4142, 6490), (4180, 6431), (4484, 5995), (4796, 5605)]