78836440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 185340960

約数和(自身を除く): 106504520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 820, 907, 1060, 1640, 1814, 2120, 2173, 3628, 4346, 4535, 7256, 8692, 9070, 10865, 17384, 18140, 21730, 36280, 37187, 43460, 48071, 74374, 86920, 96142, 148748, 185935, 192284, 240355, 297496, 371870, 384568, 480710, 743740, 961420, 1487480, 1922840, 1970911, 3941822, 7883644, 9854555, 15767288, 19709110, 39418220, 78836440]

約数ペア:

[(1, 78836440), (2, 39418220), (4, 19709110), (5, 15767288), (8, 9854555), (10, 7883644), (20, 3941822), (40, 1970911), (41, 1922840), (53, 1487480), (82, 961420), (106, 743740), (164, 480710), (205, 384568), (212, 371870), (265, 297496), (328, 240355), (410, 192284), (424, 185935), (530, 148748), (820, 96142), (907, 86920), (1060, 74374), (1640, 48071), (1814, 43460), (2120, 37187), (2173, 36280), (3628, 21730), (4346, 18140), (4535, 17384), (7256, 10865), (8692, 9070)]