27565432940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{88789}}^1$

素因数の和:88879

約数の個数: 72

約数和(自身を含む): 62515973520

約数和(自身を除く): 34950540580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 361, 380, 430, 722, 817, 860, 1444, 1634, 1805, 3268, 3610, 4085, 7220, 8170, 15523, 16340, 31046, 62092, 77615, 88789, 155230, 177578, 310460, 355156, 443945, 887890, 1686991, 1775780, 3373982, 3817927, 6747964, 7635854, 8434955, 15271708, 16869910, 19089635, 32052829, 33739820, 38179270, 64105658, 72540613, 76358540, 128211316, 145081226, 160264145, 290162452, 320528290, 362703065, 641056580, 725406130, 1378271647, 1450812260, 2756543294, 5513086588, 6891358235, 13782716470, 27565432940]

約数ペア:

[(1, 27565432940), (2, 13782716470), (4, 6891358235), (5, 5513086588), (10, 2756543294), (19, 1450812260), (20, 1378271647), (38, 725406130), (43, 641056580), (76, 362703065), (86, 320528290), (95, 290162452), (172, 160264145), (190, 145081226), (215, 128211316), (361, 76358540), (380, 72540613), (430, 64105658), (722, 38179270), (817, 33739820), (860, 32052829), (1444, 19089635), (1634, 16869910), (1805, 15271708), (3268, 8434955), (3610, 7635854), (4085, 6747964), (7220, 3817927), (8170, 3373982), (15523, 1775780), (16340, 1686991), (31046, 887890), (62092, 443945), (77615, 355156), (88789, 310460), (155230, 177578)]