202107280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 481754880

約数和(自身を除く): 279647600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 113, 158, 226, 283, 316, 395, 452, 565, 566, 632, 790, 904, 1130, 1132, 1264, 1415, 1580, 1808, 2260, 2264, 2830, 3160, 4520, 4528, 5660, 6320, 8927, 9040, 11320, 17854, 22357, 22640, 31979, 35708, 44635, 44714, 63958, 71416, 89270, 89428, 111785, 127916, 142832, 159895, 178540, 178856, 223570, 255832, 319790, 357080, 357712, 447140, 511664, 639580, 714160, 894280, 1279160, 1788560, 2526341, 2558320, 5052682, 10105364, 12631705, 20210728, 25263410, 40421456, 50526820, 101053640, 202107280]

約数ペア:

[(1, 202107280), (2, 101053640), (4, 50526820), (5, 40421456), (8, 25263410), (10, 20210728), (16, 12631705), (20, 10105364), (40, 5052682), (79, 2558320), (80, 2526341), (113, 1788560), (158, 1279160), (226, 894280), (283, 714160), (316, 639580), (395, 511664), (452, 447140), (565, 357712), (566, 357080), (632, 319790), (790, 255832), (904, 223570), (1130, 178856), (1132, 178540), (1264, 159895), (1415, 142832), (1580, 127916), (1808, 111785), (2260, 89428), (2264, 89270), (2830, 71416), (3160, 63958), (4520, 44714), (4528, 44635), (5660, 35708), (6320, 31979), (8927, 22640), (9040, 22357), (11320, 17854)]