40710320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 109159680

約数和(自身を除く): 68449360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 523, 556, 560, 695, 973, 1046, 1112, 1390, 1946, 2092, 2224, 2615, 2780, 3661, 3892, 4184, 4865, 5230, 5560, 7322, 7784, 8368, 9730, 10460, 11120, 14644, 15568, 18305, 19460, 20920, 29288, 36610, 38920, 41840, 58576, 72697, 73220, 77840, 145394, 146440, 290788, 292880, 363485, 508879, 581576, 726970, 1017758, 1163152, 1453940, 2035516, 2544395, 2907880, 4071032, 5088790, 5815760, 8142064, 10177580, 20355160, 40710320]

約数ペア:

[(1, 40710320), (2, 20355160), (4, 10177580), (5, 8142064), (7, 5815760), (8, 5088790), (10, 4071032), (14, 2907880), (16, 2544395), (20, 2035516), (28, 1453940), (35, 1163152), (40, 1017758), (56, 726970), (70, 581576), (80, 508879), (112, 363485), (139, 292880), (140, 290788), (278, 146440), (280, 145394), (523, 77840), (556, 73220), (560, 72697), (695, 58576), (973, 41840), (1046, 38920), (1112, 36610), (1390, 29288), (1946, 20920), (2092, 19460), (2224, 18305), (2615, 15568), (2780, 14644), (3661, 11120), (3892, 10460), (4184, 9730), (4865, 8368), (5230, 7784), (5560, 7322)]