65894380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 156219840

約数和(自身を除く): 90325460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 41, 58, 68, 82, 85, 116, 145, 163, 164, 170, 205, 290, 326, 340, 410, 493, 580, 652, 697, 815, 820, 986, 1189, 1394, 1630, 1972, 2378, 2465, 2771, 2788, 3260, 3485, 4727, 4756, 4930, 5542, 5945, 6683, 6970, 9454, 9860, 11084, 11890, 13366, 13855, 13940, 18908, 20213, 23635, 23780, 26732, 27710, 33415, 40426, 47270, 55420, 66830, 80359, 80852, 94540, 101065, 113611, 133660, 160718, 193807, 202130, 227222, 321436, 387614, 401795, 404260, 454444, 568055, 775228, 803590, 969035, 1136110, 1607180, 1938070, 2272220, 3294719, 3876140, 6589438, 13178876, 16473595, 32947190, 65894380]

約数ペア:

[(1, 65894380), (2, 32947190), (4, 16473595), (5, 13178876), (10, 6589438), (17, 3876140), (20, 3294719), (29, 2272220), (34, 1938070), (41, 1607180), (58, 1136110), (68, 969035), (82, 803590), (85, 775228), (116, 568055), (145, 454444), (163, 404260), (164, 401795), (170, 387614), (205, 321436), (290, 227222), (326, 202130), (340, 193807), (410, 160718), (493, 133660), (580, 113611), (652, 101065), (697, 94540), (815, 80852), (820, 80359), (986, 66830), (1189, 55420), (1394, 47270), (1630, 40426), (1972, 33415), (2378, 27710), (2465, 26732), (2771, 23780), (2788, 23635), (3260, 20213), (3485, 18908), (4727, 13940), (4756, 13855), (4930, 13366), (5542, 11890), (5945, 11084), (6683, 9860), (6970, 9454)]