40027900460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1\times {\mathrm{2161}}^1$

素因数の和:2691

約数の個数: 96

約数和(自身を含む): 89869808448

約数和(自身を除く): 49841907988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 347, 628, 694, 785, 1388, 1570, 1735, 2161, 2669, 3140, 3470, 4322, 5338, 5899, 6940, 8644, 10676, 10805, 11798, 13345, 21610, 23596, 26690, 29495, 36737, 43220, 53380, 54479, 58990, 73474, 108958, 117980, 146948, 183685, 217916, 272395, 339277, 367370, 544790, 678554, 734740, 749867, 926143, 1089580, 1357108, 1499734, 1696385, 1852286, 2999468, 3392770, 3704572, 3749335, 4630715, 5767709, 6785540, 7498670, 9261430, 11535418, 12747739, 14997340, 18522860, 23070836, 25495478, 28838545, 50990956, 57677090, 63738695, 115354180, 117729119, 127477390, 235458238, 254954780, 470916476, 588645595, 1177291190, 2001395023, 2354582380, 4002790046, 8005580092, 10006975115, 20013950230, 40027900460]

約数ペア:

[(1, 40027900460), (2, 20013950230), (4, 10006975115), (5, 8005580092), (10, 4002790046), (17, 2354582380), (20, 2001395023), (34, 1177291190), (68, 588645595), (85, 470916476), (157, 254954780), (170, 235458238), (314, 127477390), (340, 117729119), (347, 115354180), (628, 63738695), (694, 57677090), (785, 50990956), (1388, 28838545), (1570, 25495478), (1735, 23070836), (2161, 18522860), (2669, 14997340), (3140, 12747739), (3470, 11535418), (4322, 9261430), (5338, 7498670), (5899, 6785540), (6940, 5767709), (8644, 4630715), (10676, 3749335), (10805, 3704572), (11798, 3392770), (13345, 2999468), (21610, 1852286), (23596, 1696385), (26690, 1499734), (29495, 1357108), (36737, 1089580), (43220, 926143), (53380, 749867), (54479, 734740), (58990, 678554), (73474, 544790), (108958, 367370), (117980, 339277), (146948, 272395), (183685, 217916)]