166634780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 378013440

約数和(自身を除く): 211378660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 1567, 1636, 2045, 3134, 4090, 5317, 6268, 7835, 8180, 10634, 15670, 20371, 21268, 26585, 31340, 40742, 53170, 81484, 101855, 106340, 203710, 407420, 640903, 1281806, 2563612, 3204515, 6409030, 8331739, 12818060, 16663478, 33326956, 41658695, 83317390, 166634780]

約数ペア:

[(1, 166634780), (2, 83317390), (4, 41658695), (5, 33326956), (10, 16663478), (13, 12818060), (20, 8331739), (26, 6409030), (52, 3204515), (65, 2563612), (130, 1281806), (260, 640903), (409, 407420), (818, 203710), (1567, 106340), (1636, 101855), (2045, 81484), (3134, 53170), (4090, 40742), (5317, 31340), (6268, 26585), (7835, 21268), (8180, 20371), (10634, 15670)]