208346840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3967}}^1$

素因数の和:4092

約数の個数: 64

約数和(自身を含む): 509967360

約数和(自身を除く): 301620520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1313, 2020, 2626, 3967, 4040, 5252, 6565, 7934, 10504, 13130, 15868, 19835, 26260, 31736, 39670, 51571, 52520, 79340, 103142, 158680, 206284, 257855, 400667, 412568, 515710, 801334, 1031420, 1602668, 2003335, 2062840, 3205336, 4006670, 5208671, 8013340, 10417342, 16026680, 20834684, 26043355, 41669368, 52086710, 104173420, 208346840]

約数ペア:

[(1, 208346840), (2, 104173420), (4, 52086710), (5, 41669368), (8, 26043355), (10, 20834684), (13, 16026680), (20, 10417342), (26, 8013340), (40, 5208671), (52, 4006670), (65, 3205336), (101, 2062840), (104, 2003335), (130, 1602668), (202, 1031420), (260, 801334), (404, 515710), (505, 412568), (520, 400667), (808, 257855), (1010, 206284), (1313, 158680), (2020, 103142), (2626, 79340), (3967, 52520), (4040, 51571), (5252, 39670), (6565, 31736), (7934, 26260), (10504, 19835), (13130, 15868)]