42648656840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{142867}}^1$

素因数の和:143334

約数の個数: 64

約数和(自身を含む): 101836310400

約数和(自身を除く): 59187653560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 439, 680, 878, 1756, 2195, 3512, 4390, 7463, 8780, 14926, 17560, 29852, 37315, 59704, 74630, 142867, 149260, 285734, 298520, 571468, 714335, 1142936, 1428670, 2428739, 2857340, 4857478, 5714680, 9714956, 12143695, 19429912, 24287390, 48574780, 62718613, 97149560, 125437226, 250874452, 313593065, 501748904, 627186130, 1066216421, 1254372260, 2132432842, 2508744520, 4264865684, 5331082105, 8529731368, 10662164210, 21324328420, 42648656840]

約数ペア:

[(1, 42648656840), (2, 21324328420), (4, 10662164210), (5, 8529731368), (8, 5331082105), (10, 4264865684), (17, 2508744520), (20, 2132432842), (34, 1254372260), (40, 1066216421), (68, 627186130), (85, 501748904), (136, 313593065), (170, 250874452), (340, 125437226), (439, 97149560), (680, 62718613), (878, 48574780), (1756, 24287390), (2195, 19429912), (3512, 12143695), (4390, 9714956), (7463, 5714680), (8780, 4857478), (14926, 2857340), (17560, 2428739), (29852, 1428670), (37315, 1142936), (59704, 714335), (74630, 571468), (142867, 298520), (149260, 285734)]