78489040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{140159}}^1$

素因数の和:140179

約数の個数: 40

約数和(自身を含む): 208558080

約数和(自身を除く): 130069040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 140159, 280318, 560636, 700795, 981113, 1121272, 1401590, 1962226, 2242544, 2803180, 3924452, 4905565, 5606360, 7848904, 9811130, 11212720, 15697808, 19622260, 39244520, 78489040]

約数ペア:

[(1, 78489040), (2, 39244520), (4, 19622260), (5, 15697808), (7, 11212720), (8, 9811130), (10, 7848904), (14, 5606360), (16, 4905565), (20, 3924452), (28, 2803180), (35, 2242544), (40, 1962226), (56, 1401590), (70, 1121272), (80, 981113), (112, 700795), (140, 560636), (280, 280318), (560, 140159)]