77190280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11839}}^1$

素因数の和:12013

約数の個数: 32

約数和(自身を含む): 174758400

約数和(自身を除く): 97568120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11839, 23678, 47356, 59195, 94712, 118390, 236780, 473560, 1929757, 3859514, 7719028, 9648785, 15438056, 19297570, 38595140, 77190280]

約数ペア:

[(1, 77190280), (2, 38595140), (4, 19297570), (5, 15438056), (8, 9648785), (10, 7719028), (20, 3859514), (40, 1929757), (163, 473560), (326, 236780), (652, 118390), (815, 94712), (1304, 59195), (1630, 47356), (3260, 23678), (6520, 11839)]