16655860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 39813480

約数和(自身を除く): 23157620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 47, 52, 58, 65, 94, 116, 130, 145, 188, 235, 260, 290, 377, 470, 580, 611, 754, 940, 1222, 1363, 1508, 1885, 2209, 2444, 2726, 3055, 3770, 4418, 5452, 6110, 6815, 7540, 8836, 11045, 12220, 13630, 17719, 22090, 27260, 28717, 35438, 44180, 57434, 64061, 70876, 88595, 114868, 128122, 143585, 177190, 256244, 287170, 320305, 354380, 574340, 640610, 832793, 1281220, 1665586, 3331172, 4163965, 8327930, 16655860]

約数ペア:

[(1, 16655860), (2, 8327930), (4, 4163965), (5, 3331172), (10, 1665586), (13, 1281220), (20, 832793), (26, 640610), (29, 574340), (47, 354380), (52, 320305), (58, 287170), (65, 256244), (94, 177190), (116, 143585), (130, 128122), (145, 114868), (188, 88595), (235, 70876), (260, 64061), (290, 57434), (377, 44180), (470, 35438), (580, 28717), (611, 27260), (754, 22090), (940, 17719), (1222, 13630), (1363, 12220), (1508, 11045), (1885, 8836), (2209, 7540), (2444, 6815), (2726, 6110), (3055, 5452), (3770, 4418)]